123013200532455 has 96 divisors (see below), whose sum is σ = 221439987874560. Its totient is φ = 65512153969920.

The previous prime is 123013200532447. The next prime is 123013200532459. The reversal of 123013200532455 is 554235002310321.

123013200532455 is a `hidden beast` number, since 1 + 2 + 3 + 0 + 1 + 320 + 0 + 5 + 324 + 5 + 5 = 666.

It is not a de Polignac number, because 123013200532455 - 2³ = 123013200532447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123013200532459) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3786053760 + ... + 3786086250.

It is an arithmetic number, because the mean of its divisors is an integer number (2306666540360).

Almost surely, 2^{123013200532455} is an apocalyptic number.

123013200532455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123013200532455 is a deficient number, since it is larger than the sum of its proper divisors (98426787342105).

123013200532455 is an equidigital number, since it uses as much as digits as its factorization.

123013200532455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36923 (or 36911 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 123013200532455 its reverse (554235002310321), we get a palindrome (677248202842776).

The spelling of 123013200532455 in words is "one hundred twenty-three trillion, thirteen billion, two hundred million, five hundred thirty-two thousand, four hundred fifty-five".