123123351223115 has 16 divisors (see below), whose sum is σ = 147799863140160. Its totient is φ = 98464125726720.

The previous prime is 123123351223111. The next prime is 123123351223129. The reversal of 123123351223115 is 511322153321321.

It is not a de Polignac number, because 123123351223115 - 2² = 123123351223111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123123351223111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170416235 + ... + 171137195.

It is an arithmetic number, because the mean of its divisors is an integer number (9237491446260).

Almost surely, 2^{123123351223115} is an apocalyptic number.

123123351223115 is a deficient number, since it is larger than the sum of its proper divisors (24676511917045).

123123351223115 is an equidigital number, since it uses as much as digits as its factorization.

123123351223115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732902.

The product of its digits is 32400, while the sum is 35.

The spelling of 123123351223115 in words is "one hundred twenty-three trillion, one hundred twenty-three billion, three hundred fifty-one million, two hundred twenty-three thousand, one hundred fifteen".