123420452351010 has 128 divisors (see below), whose sum is σ = 300726028753920. Its totient is φ = 32415129213696.

The previous prime is 123420452351003. The next prime is 123420452351039. The reversal of 123420452351010 is 10153254024321.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 259475181 + ... + 259950399.

It is an arithmetic number, because the mean of its divisors is an integer number (2349422099640).

Almost surely, 2^{123420452351010} is an apocalyptic number.

123420452351010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123420452351010 is an abundant number, since it is smaller than the sum of its proper divisors (177305576402910).

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

123420452351010 is a wasteful number, since it uses less digits than its factorization.

123420452351010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475872.

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 123420452351010 in words is "one hundred twenty-three trillion, four hundred twenty billion, four hundred fifty-two million, three hundred fifty-one thousand, ten".