23400424554 has 64 divisors (see below), whose sum is σ = 53520518016. Its totient is φ = 6756931584.

The previous prime is 23400424547. The next prime is 23400424577. The reversal of 23400424554 is 45542400432.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 434694 + ... + 485550.

It is an arithmetic number, because the mean of its divisors is an integer number (836258094).

Almost surely, 2^23400424554 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23400424554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26760259008).

23400424554 is an abundant number, since it is smaller than the sum of its proper divisors (30120093462).

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

23400424554 is a wasteful number, since it uses less digits than its factorization.

23400424554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51239.

The product of its (nonzero) digits is 76800, while the sum is 33.

Adding to 23400424554 its reverse (45542400432), we get a palindrome (68942824986).

The spelling of 23400424554 in words is "twenty-three billion, four hundred million, four hundred twenty-four thousand, five hundred fifty-four".