23123240004 has 12 divisors (see below), whose sum is σ = 53954226704. Its totient is φ = 7707746664.

The previous prime is 23123239973. The next prime is 23123240011. The reversal of 23123240004 is 40004232132.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 963468322 + ... + 963468345.

Almost surely, 2^23123240004 is an apocalyptic number.

It is an amenable number.

23123240004 is an abundant number, since it is smaller than the sum of its proper divisors (30830986700).

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

23123240004 is a wasteful number, since it uses less digits than its factorization.

23123240004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1926936674 (or 1926936672 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 23123240004 its reverse (40004232132), we get a palindrome (63127472136).

The spelling of 23123240004 in words is "twenty-three billion, one hundred twenty-three million, two hundred forty thousand, four".