23012023031004 has 24 divisors (see below), whose sum is σ = 61365394749568. Its totient is φ = 6574863723120.

The previous prime is 23012023031003. The next prime is 23012023031033. The reversal of 23012023031004 is 40013032021032.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23012023031003) 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, 136976327482 + ... + 136976327649.

Almost surely, 2^{23012023031004} is an apocalyptic number.

It is an amenable number.

23012023031004 is an abundant number, since it is smaller than the sum of its proper divisors (38353371718564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23012023031004 is a wasteful number, since it uses less digits than its factorization.

23012023031004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273952655145 (or 273952655143 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 23012023031004 its reverse (40013032021032), we get a palindrome (63025055052036).

The spelling of 23012023031004 in words is "twenty-three trillion, twelve billion, twenty-three million, thirty-one thousand, four".