612338915223 has 48 divisors (see below), whose sum is σ = 1043574884352. Its totient is φ = 338581080000.

The previous prime is 612338915171. The next prime is 612338915249. The reversal of 612338915223 is 322519833216.

612338915223 is a `hidden beast` number, since 6 + 1 + 2 + 3 + 38 + 91 + 522 + 3 = 666.

It is not a de Polignac number, because 612338915223 - 2¹⁰ = 612338914199 is a prime.

It is a super-2 number, since 2×612338915223² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612338913223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26727073 + ... + 26749973.

It is an arithmetic number, because the mean of its divisors is an integer number (21741143424).

Almost surely, 2^612338915223 is an apocalyptic number.

612338915223 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

612338915223 is a deficient number, since it is larger than the sum of its proper divisors (431235969129).

612338915223 is a wasteful number, since it uses less digits than its factorization.

612338915223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36636 (or 36633 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The spelling of 612338915223 in words is "six hundred twelve billion, three hundred thirty-eight million, nine hundred fifteen thousand, two hundred twenty-three".