23421204004 has 48 divisors (see below), whose sum is σ = 45523086336. Its totient is φ = 10453766400.

The previous prime is 23421203987. The next prime is 23421204017. The reversal of 23421204004 is 40040212432.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1648957 + ... + 1663099.

It is an arithmetic number, because the mean of its divisors is an integer number (948397632).

Almost surely, 2^23421204004 is an apocalyptic number.

It is an amenable number.

23421204004 is a deficient number, since it is larger than the sum of its proper divisors (22101882332).

23421204004 is a wasteful number, since it uses less digits than its factorization.

23421204004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14836 (or 14834 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 23421204004 its reverse (40040212432), we get a palindrome (63461416436).

The spelling of 23421204004 in words is "twenty-three billion, four hundred twenty-one million, two hundred four thousand, four".