123513225215 has 8 divisors (see below), whose sum is σ = 148241039760. Its totient is φ = 98793800512.

The previous prime is 123513225151. The next prime is 123513225233. The reversal of 123513225215 is 512522315321.

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

It is a cyclic number.

It is not a de Polignac number, because 123513225215 - 2⁶ = 123513225151 is a prime.

It is a super-2 number, since 2×123513225215² (a number of 23 digits) contains 22 as substring.

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, 2065025 + ... + 2123994.

It is an arithmetic number, because the mean of its divisors is an integer number (18530129970).

Almost surely, 2^123513225215 is an apocalyptic number.

123513225215 is a deficient number, since it is larger than the sum of its proper divisors (24727814545).

123513225215 is an equidigital number, since it uses as much as digits as its factorization.

123513225215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4194921.

The product of its digits is 18000, while the sum is 32.

The spelling of 123513225215 in words is "one hundred twenty-three billion, five hundred thirteen million, two hundred twenty-five thousand, two hundred fifteen".