123355127215 has 8 divisors (see below), whose sum is σ = 148050814608. Its totient is φ = 98667660480.

The previous prime is 123355127191. The next prime is 123355127221. The reversal of 123355127215 is 512721553321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123355127215 - 2⁵ = 123355127183 is a prime.

It is a Duffinian number.

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, 2022102 + ... + 2082211.

It is an arithmetic number, because the mean of its divisors is an integer number (18506351826).

Almost surely, 2^123355127215 is an apocalyptic number.

123355127215 is a deficient number, since it is larger than the sum of its proper divisors (24695687393).

123355127215 is an equidigital number, since it uses as much as digits as its factorization.

123355127215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4110329.

The product of its digits is 63000, while the sum is 37.

The spelling of 123355127215 in words is "one hundred twenty-three billion, three hundred fifty-five million, one hundred twenty-seven thousand, two hundred fifteen".