23012033231 has 8 divisors (see below), whose sum is σ = 25112001024. Its totient is φ = 20913392920.

The previous prime is 23012033227. The next prime is 23012033273. The reversal of 23012033231 is 13233021032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23012033231 - 2² = 23012033227 is a prime.

It is a super-2 number, since 2×23012033231² (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 (23012039231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295445 + ... + 365118.

It is an arithmetic number, because the mean of its divisors is an integer number (3139000128).

Almost surely, 2^23012033231 is an apocalyptic number.

23012033231 is a deficient number, since it is larger than the sum of its proper divisors (2099967793).

23012033231 is a wasteful number, since it uses less digits than its factorization.

23012033231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663741.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 23012033231 its reverse (13233021032), we get a palindrome (36245054263).

The spelling of 23012033231 in words is "twenty-three billion, twelve million, thirty-three thousand, two hundred thirty-one".