23452543540220 has 24 divisors (see below), whose sum is σ = 49327175067408. Its totient is φ = 9366382438400.

The previous prime is 23452543540163. The next prime is 23452543540243. The reversal of 23452543540220 is 2204534525432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 914672966 + ... + 914698605.

It is an arithmetic number, because the mean of its divisors is an integer number (2055298961142).

Almost surely, 2^{23452543540220} is an apocalyptic number.

23452543540220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23452543540220 is an abundant number, since it is smaller than the sum of its proper divisors (25874631527188).

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

23452543540220 is a wasteful number, since it uses less digits than its factorization.

23452543540220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1829372221 (or 1829372219 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 41.

The spelling of 23452543540220 in words is "twenty-three trillion, four hundred fifty-two billion, five hundred forty-three million, five hundred forty thousand, two hundred twenty".