23400004144 has 60 divisors (see below), whose sum is σ = 52765263432. Its totient is φ = 10010682880.

The previous prime is 23400004139. The next prime is 23400004153. The reversal of 23400004144 is 44140000432.

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 11 ways as a sum of consecutive naturals, for example, 322582 + ... + 388405.

Almost surely, 2^23400004144 is an apocalyptic number.

It is an amenable number.

23400004144 is an abundant number, since it is smaller than the sum of its proper divisors (29365259288).

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

23400004144 is a wasteful number, since it uses less digits than its factorization.

23400004144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711034 (or 711017 counting only the distinct ones).

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

Adding to 23400004144 its reverse (44140000432), we get a palindrome (67540004576).

The spelling of 23400004144 in words is "twenty-three billion, four hundred million, four thousand, one hundred forty-four".