423575435680 has 24 divisors (see below), whose sum is σ = 1000696967172. Its totient is φ = 169430174208.

The previous prime is 423575435663. The next prime is 423575435681. The reversal of 423575435680 is 86534575324.

It can be written as a sum of positive squares in 2 ways, for example, as 421445059344 + 2130376336 = 649188^2 + 46156^2 .

It is a super-2 number, since 2×423575435680² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (423575435681) 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, 1323673077 + ... + 1323673396.

Almost surely, 2^423575435680 is an apocalyptic number.

423575435680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423575435680 is an abundant number, since it is smaller than the sum of its proper divisors (577121531492).

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

423575435680 is a wasteful number, since it uses less digits than its factorization.

423575435680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2647346488 (or 2647346480 counting only the distinct ones).

The product of its (nonzero) digits is 12096000, while the sum is 52.

The spelling of 423575435680 in words is "four hundred twenty-three billion, five hundred seventy-five million, four hundred thirty-five thousand, six hundred eighty".