18823404530315 has 32 divisors (see below), whose sum is σ = 28162975795200. Its totient is φ = 11733567465600.

The previous prime is 18823404530311. The next prime is 18823404530327. The reversal of 18823404530315 is 51303540432881.

It is not a de Polignac number, because 18823404530315 - 2² = 18823404530311 is a prime.

It is a super-2 number, since 2×18823404530315² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18823404530315.

It is not an unprimeable number, because it can be changed into a prime (18823404530311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8049725 + ... + 10121505.

It is an arithmetic number, because the mean of its divisors is an integer number (880092993600).

Almost surely, 2^{18823404530315} is an apocalyptic number.

18823404530315 is a deficient number, since it is larger than the sum of its proper divisors (9339571264885).

18823404530315 is a wasteful number, since it uses less digits than its factorization.

18823404530315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2095403.

The product of its (nonzero) digits is 1382400, while the sum is 47.

The spelling of 18823404530315 in words is "eighteen trillion, eight hundred twenty-three billion, four hundred four million, five hundred thirty thousand, three hundred fifteen".