23440320100 has 36 divisors (see below), whose sum is σ = 52619483700. Its totient is φ = 9052812160.

The previous prime is 23440320097. The next prime is 23440320139. The reversal of 23440320100 is 102304432.

It can be written as a sum of positive squares in 6 ways, for example, as 38663524 + 23401656576 = 6218^2 + 152976^2 .

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, 4038535 + ... + 4044334.

It is an arithmetic number, because the mean of its divisors is an integer number (1461652325).

Almost surely, 2^23440320100 is an apocalyptic number.

23440320100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23440320100 is an abundant number, since it is smaller than the sum of its proper divisors (29179163600).

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

23440320100 is a wasteful number, since it uses less digits than its factorization.

23440320100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8082912 (or 8082905 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 23440320100 its reverse (102304432), we get a palindrome (23542624532).

The spelling of 23440320100 in words is "twenty-three billion, four hundred forty million, three hundred twenty thousand, one hundred".