123013234201455 has 64 divisors (see below), whose sum is σ = 247907912448000. Its totient is φ = 57372973992576.

The previous prime is 123013234201423. The next prime is 123013234201457. The reversal of 123013234201455 is 554102432310321.

123013234201455 is a `hidden beast` number, since 1 + 2 + 30 + 132 + 3 + 42 + 0 + 1 + 455 = 666.

It is not a de Polignac number, because 123013234201455 - 2⁵ = 123013234201423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123013234201457) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1844519575 + ... + 1844586264.

It is an arithmetic number, because the mean of its divisors is an integer number (3873561132000).

Almost surely, 2^{123013234201455} is an apocalyptic number.

123013234201455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123013234201455 is an abundant number, since it is smaller than the sum of its proper divisors (124894678246545).

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

123013234201455 is a wasteful number, since it uses less digits than its factorization.

123013234201455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3689105885 (or 3689105879 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 123013234201455 its reverse (554102432310321), we get a palindrome (677115666511776).

The spelling of 123013234201455 in words is "one hundred twenty-three trillion, thirteen billion, two hundred thirty-four million, two hundred one thousand, four hundred fifty-five".