23440354430500 has 96 divisors (see below), whose sum is σ = 60394451539968. Its totient is φ = 7777444752000.

The previous prime is 23440354430489. The next prime is 23440354430501. The reversal of 23440354430500 is 503445304432.

It is a self number, because there is not a number n which added to its sum of digits gives 23440354430500.

It is not an unprimeable number, because it can be changed into a prime (23440354430501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107911567 + ... + 108128566.

It is an arithmetic number, because the mean of its divisors is an integer number (629108870208).

Almost surely, 2^{23440354430500} is an apocalyptic number.

23440354430500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23440354430500 is an abundant number, since it is smaller than the sum of its proper divisors (36954097109468).

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

23440354430500 is a wasteful number, since it uses less digits than its factorization.

23440354430500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216040190 (or 216040178 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 37.

Adding to 23440354430500 its reverse (503445304432), we get a palindrome (23943799734932).

The spelling of 23440354430500 in words is "twenty-three trillion, four hundred forty billion, three hundred fifty-four million, four hundred thirty thousand, five hundred".