243112072553232 has 80 divisors (see below), whose sum is σ = 648309972172800. Its totient is φ = 78421905014400.

The previous prime is 243112072553219. The next prime is 243112072553269. The reversal of 243112072553232 is 232355270211342.

243112072553232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×243112072553232² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87330769 + ... + 90071567.

It is an arithmetic number, because the mean of its divisors is an integer number (8103874652160).

Almost surely, 2^{243112072553232} is an apocalyptic number.

It is an amenable number.

243112072553232 is an abundant number, since it is smaller than the sum of its proper divisors (405197899619568).

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

243112072553232 is a wasteful number, since it uses less digits than its factorization.

243112072553232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2800452 (or 2800446 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 42.

The spelling of 243112072553232 in words is "two hundred forty-three trillion, one hundred twelve billion, seventy-two million, five hundred fifty-three thousand, two hundred thirty-two".