123310244142420 has 48 divisors (see below), whose sum is σ = 345685171896960. Its totient is φ = 32843066219136.

The previous prime is 123310244142367. The next prime is 123310244142469. The reversal of 123310244142420 is 24241442013321.

It is a congruent number.

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, 1239498352 + ... + 1239597831.

It is an arithmetic number, because the mean of its divisors is an integer number (7201774414520).

Almost surely, 2^{123310244142420} is an apocalyptic number.

123310244142420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123310244142420 is an abundant number, since it is smaller than the sum of its proper divisors (222374927754540).

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

123310244142420 is a wasteful number, since it uses less digits than its factorization.

123310244142420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2479097024 (or 2479097022 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 123310244142420 its reverse (24241442013321), we get a palindrome (147551686155741).

The spelling of 123310244142420 in words is "one hundred twenty-three trillion, three hundred ten billion, two hundred forty-four million, one hundred forty-two thousand, four hundred twenty".