323601561780 has 96 divisors (see below), whose sum is σ = 1035700377600. Its totient is φ = 73953544320.

The previous prime is 323601561757. The next prime is 323601561821. The reversal of 323601561780 is 87165106323.

323601561780 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2541435 + ... + 2665725.

It is an arithmetic number, because the mean of its divisors is an integer number (10788545600).

Almost surely, 2^323601561780 is an apocalyptic number.

323601561780 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

323601561780 is an abundant number, since it is smaller than the sum of its proper divisors (712098815820).

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

323601561780 is a wasteful number, since it uses less digits than its factorization.

323601561780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130509 (or 130507 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 323601561780 in words is "three hundred twenty-three billion, six hundred one million, five hundred sixty-one thousand, seven hundred eighty".