23040000028 has 6 divisors (see below), whose sum is σ = 40320000056. Its totient is φ = 11520000012.

The previous prime is 23039999933. The next prime is 23040000029. The reversal of 23040000028 is 82000004032.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23040000029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2880000000 + ... + 2880000007.

Almost surely, 2^23040000028 is an apocalyptic number.

It is an amenable number.

23040000028 is a deficient number, since it is larger than the sum of its proper divisors (17280000028).

23040000028 is a wasteful number, since it uses less digits than its factorization.

23040000028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5760000011 (or 5760000009 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The spelling of 23040000028 in words is "twenty-three billion, forty million, twenty-eight", and thus it is an aban number and an uban number.