23045504240 has 80 divisors (see below), whose sum is σ = 60467424480. Its totient is φ = 8091202560.

The previous prime is 23045504239. The next prime is 23045504243. The reversal of 23045504240 is 4240554032.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23045504243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 425999 + ... + 477038.

It is an arithmetic number, because the mean of its divisors is an integer number (755842806).

Almost surely, 2^23045504240 is an apocalyptic number.

23045504240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23045504240 is an abundant number, since it is smaller than the sum of its proper divisors (37421920240).

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

23045504240 is a wasteful number, since it uses less digits than its factorization.

23045504240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903090 (or 903084 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

The spelling of 23045504240 in words is "twenty-three billion, forty-five million, five hundred four thousand, two hundred forty".