23524553240 has 16 divisors (see below), whose sum is σ = 52930244880. Its totient is φ = 9409821280.

The previous prime is 23524553189. The next prime is 23524553243. The reversal of 23524553240 is 4235542532.

It is a self number, because there is not a number n which added to its sum of digits gives 23524553240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23524553243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294056876 + ... + 294056955.

It is an arithmetic number, because the mean of its divisors is an integer number (3308140305).

Almost surely, 2^23524553240 is an apocalyptic number.

23524553240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23524553240 is an abundant number, since it is smaller than the sum of its proper divisors (29405691640).

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

23524553240 is a wasteful number, since it uses less digits than its factorization.

23524553240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588113842 (or 588113838 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 35.

The spelling of 23524553240 in words is "twenty-three billion, five hundred twenty-four million, five hundred fifty-three thousand, two hundred forty".