123550140631296 has 144 divisors (see below), whose sum is σ = 329215687234560. Its totient is φ = 41134282475520.

The previous prime is 123550140631237. The next prime is 123550140631321. The reversal of 123550140631296 is 692136041055321.

It is a super-2 number, since 2×123550140631296² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5948193391 + ... + 5948214161.

It is an arithmetic number, because the mean of its divisors is an integer number (2286220050240).

Almost surely, 2^{123550140631296} is an apocalyptic number.

123550140631296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123550140631296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164607843617280).

123550140631296 is an abundant number, since it is smaller than the sum of its proper divisors (205665546603264).

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

123550140631296 is an equidigital number, since it uses as much as digits as its factorization.

123550140631296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29652 (or 29638 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 48.

The spelling of 123550140631296 in words is "one hundred twenty-three trillion, five hundred fifty billion, one hundred forty million, six hundred thirty-one thousand, two hundred ninety-six".