23040000012 has 24 divisors (see below), whose sum is σ = 54292280112. Its totient is φ = 7603960000.

The previous prime is 23039999933. The next prime is 23040000029. The reversal of 23040000012 is 21000004032.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9503739 + ... + 9506162.

It is an arithmetic number, because the mean of its divisors is an integer number (2262178338).

Almost surely, 2^23040000012 is an apocalyptic number.

It is an amenable number.

23040000012 is an abundant number, since it is smaller than the sum of its proper divisors (31252280100).

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

23040000012 is a wasteful number, since it uses less digits than its factorization.

23040000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19010009 (or 19010007 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 23040000012 its reverse (21000004032), we get a palindrome (44040004044).

The spelling of 23040000012 in words is "twenty-three billion, forty million, twelve", and thus it is an aban number and an uban number.