423539311620 has 48 divisors (see below), whose sum is σ = 1189698975360. Its totient is φ = 112582968576.

The previous prime is 423539311603. The next prime is 423539311627. The reversal of 423539311620 is 26113935324.

It is not an unprimeable number, because it can be changed into a prime (423539311627) 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, 11257560 + ... + 11295119.

It is an arithmetic number, because the mean of its divisors is an integer number (24785395320).

Almost surely, 2^423539311620 is an apocalyptic number.

It is an amenable number.

423539311620 is an abundant number, since it is smaller than the sum of its proper divisors (766159663740).

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

423539311620 is a wasteful number, since it uses less digits than its factorization.

423539311620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22553004 (or 22553002 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 39.

The spelling of 423539311620 in words is "four hundred twenty-three billion, five hundred thirty-nine million, three hundred eleven thousand, six hundred twenty".