123616133433552 has 40 divisors (see below), whose sum is σ = 319396937739040. Its totient is φ = 41198247527040.

The previous prime is 123616133433547. The next prime is 123616133433571. The reversal of 123616133433552 is 255334331616321.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222541099 + ... + 223095882.

It is an arithmetic number, because the mean of its divisors is an integer number (7984923443476).

Almost surely, 2^{123616133433552} is an apocalyptic number.

123616133433552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123616133433552 is an abundant number, since it is smaller than the sum of its proper divisors (195780804305488).

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

123616133433552 is a wasteful number, since it uses less digits than its factorization.

123616133433552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445642771 (or 445642765 counting only the distinct ones).

The product of its digits is 3499200, while the sum is 48.

The spelling of 123616133433552 in words is "one hundred twenty-three trillion, six hundred sixteen billion, one hundred thirty-three million, four hundred thirty-three thousand, five hundred fifty-two".