23113230231 has 32 divisors (see below), whose sum is σ = 39237327360. Its totient is φ = 11771190144.

The previous prime is 23113230191. The next prime is 23113230247. The reversal of 23113230231 is 13203231132.

It is not a de Polignac number, because 23113230231 - 2⁶ = 23113230167 is a prime.

It is a super-2 number, since 2×23113230231² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 23113230198 and 23113230207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23113230331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1451805 + ... + 1467638.

It is an arithmetic number, because the mean of its divisors is an integer number (1226166480).

Almost surely, 2^23113230231 is an apocalyptic number.

23113230231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23113230231 is a deficient number, since it is larger than the sum of its proper divisors (16124097129).

23113230231 is a wasteful number, since it uses less digits than its factorization.

23113230231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2919495.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 23113230231 its reverse (13203231132), we get a palindrome (36316461363).

Subtracting from 23113230231 its reverse (13203231132), we obtain a palindrome (9909999099).

The spelling of 23113230231 in words is "twenty-three billion, one hundred thirteen million, two hundred thirty thousand, two hundred thirty-one".