Search a number
-
+
23022401231 = 46494952119
BaseRepresentation
bin10101011100001111…
…011111011011001111
32012102110201011022002
4111130033133123033
5334122213314411
614324253542515
71443342116204
oct253417373317
965373634262
1023022401231
1198445aa885
1245661a4a3b
13222b90352b
14118587dcab
158eb28733b
hex55c3df6cf

23022401231 has 4 divisors (see below), whose sum is σ = 23027358000. Its totient is φ = 23017444464.

The previous prime is 23022401219. The next prime is 23022401239. The reversal of 23022401231 is 13210422032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23022401231 - 222 = 23018206927 is a prime.

It is a super-2 number, since 2×230224012312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23022401239) 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 3 ways as a sum of consecutive naturals, for example, 2471411 + ... + 2480708.

It is an arithmetic number, because the mean of its divisors is an integer number (5756839500).

Almost surely, 223022401231 is an apocalyptic number.

23022401231 is a deficient number, since it is larger than the sum of its proper divisors (4956769).

23022401231 is an equidigital number, since it uses as much as digits as its factorization.

23022401231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4956768.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 23022401231 its reverse (13210422032), we get a palindrome (36232823263).

The spelling of 23022401231 in words is "twenty-three billion, twenty-two million, four hundred one thousand, two hundred thirty-one".

Divisors: 1 4649 4952119 23022401231