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23432023431 = 326738859077
BaseRepresentation
bin10101110100101010…
…000100110110000111
32020111000111010022200
4111310222010312013
5340442044222211
614433045325543
71456444625055
oct256452046607
966430433280
1023432023431
119a34848023
12465b4068b3
13229573372b
1411c402b1d5
159221ebb56
hex574a84d87

23432023431 has 12 divisors (see below), whose sum is σ = 34351424952. Its totient is φ = 15388194096.

The previous prime is 23432023427. The next prime is 23432023451. The reversal of 23432023431 is 13432023432.

23432023431 is a `hidden beast` number, since 23 + 4 + 3 + 202 + 3 + 431 = 666.

It is not a de Polignac number, because 23432023431 - 22 = 23432023427 is a prime.

It is a super-2 number, since 2×234320234312 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23432023395 and 23432023404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23432023451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19428936 + ... + 19430141.

It is an arithmetic number, because the mean of its divisors is an integer number (2862618746).

Almost surely, 223432023431 is an apocalyptic number.

23432023431 is a deficient number, since it is larger than the sum of its proper divisors (10919401521).

23432023431 is a wasteful number, since it uses less digits than its factorization.

23432023431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38859150 (or 38859147 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 23432023431 its reverse (13432023432), we get a palindrome (36864046863).

Subtracting from 23432023431 its reverse (13432023432), we obtain a palindrome (9999999999).

The spelling of 23432023431 in words is "twenty-three billion, four hundred thirty-two million, twenty-three thousand, four hundred thirty-one".

Divisors: 1 3 9 67 201 603 38859077 116577231 349731693 2603558159 7810674477 23432023431