123151319721316 has 24 divisors (see below), whose sum is σ = 215737135338816. Its totient is φ = 61512168321120.

The previous prime is 123151319721299. The next prime is 123151319721337. The reversal of 123151319721316 is 613127913151321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12597570 + ... + 20124646.

It is an arithmetic number, because the mean of its divisors is an integer number (8989047305784).

Almost surely, 2^{123151319721316} is an apocalyptic number.

It is an amenable number.

123151319721316 is a deficient number, since it is larger than the sum of its proper divisors (92585815617500).

123151319721316 is a wasteful number, since it uses less digits than its factorization.

123151319721316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7531299 (or 7531297 counting only the distinct ones).

The product of its digits is 204120, while the sum is 46.

The spelling of 123151319721316 in words is "one hundred twenty-three trillion, one hundred fifty-one billion, three hundred nineteen million, seven hundred twenty-one thousand, three hundred sixteen".