421623135315 has 24 divisors (see below), whose sum is σ = 730838719728. Its totient is φ = 224857892160.

The previous prime is 421623135281. The next prime is 421623135347. The reversal of 421623135315 is 513531326124.

421623135315 is a `hidden beast` number, since 4 + 2 + 1 + 623 + 13 + 5 + 3 + 15 = 666.

It is not a de Polignac number, because 421623135315 - 2¹⁰ = 421623134291 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 421623135315.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1297420 + ... + 1589510.

It is an arithmetic number, because the mean of its divisors is an integer number (30451613322).

Almost surely, 2^421623135315 is an apocalyptic number.

421623135315 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

421623135315 is a deficient number, since it is larger than the sum of its proper divisors (309215584413).

421623135315 is a wasteful number, since it uses less digits than its factorization.

421623135315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324179 (or 324176 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The spelling of 421623135315 in words is "four hundred twenty-one billion, six hundred twenty-three million, one hundred thirty-five thousand, three hundred fifteen".