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23001024231 = 3241611139043
BaseRepresentation
bin10101011010111101…
…111100011011100111
32012100222111002120100
4111122331330123213
5334101230233411
614322211435143
71442662323453
oct253275743347
965328432510
1023001024231
119833529a39
12455abb5ab3
13222735a413
141182ab7663
158e9463456
hex55af7c6e7

23001024231 has 48 divisors (see below), whose sum is σ = 34901953632. Its totient is φ = 14582937600.

The previous prime is 23001024139. The next prime is 23001024251. The reversal of 23001024231 is 13242010032.

23001024231 is a `hidden beast` number, since 230 + 0 + 10 + 2 + 423 + 1 = 666.

It is not a de Polignac number, because 23001024231 - 218 = 23000762087 is a prime.

It is a super-2 number, since 2×230010242312 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23001024251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2538996 + ... + 2548038.

It is an arithmetic number, because the mean of its divisors is an integer number (727124034).

Almost surely, 223001024231 is an apocalyptic number.

23001024231 is a deficient number, since it is larger than the sum of its proper divisors (11900929401).

23001024231 is a wasteful number, since it uses less digits than its factorization.

23001024231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9264 (or 9261 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 23001024231 its reverse (13242010032), we get a palindrome (36243034263).

The spelling of 23001024231 in words is "twenty-three billion, one million, twenty-four thousand, two hundred thirty-one".

Divisors: 1 3 9 41 61 113 123 183 339 369 549 1017 2501 4633 6893 7503 9043 13899 20679 22509 27129 41697 62037 81387 282613 370763 551623 847839 1021859 1112289 1654869 2543517 3065577 3336867 4964607 9196731 22616543 41896219 62333399 67849629 125688657 187000197 203548887 377065971 561000591 2555669359 7667008077 23001024231