123501255315 has 16 divisors (see below), whose sum is σ = 197610526368. Its totient is φ = 65864496896.

The previous prime is 123501255307. The next prime is 123501255341. The reversal of 123501255315 is 513552105321.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 123501255315 - 2³ = 123501255307 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209317 + ... + 539273.

It is an arithmetic number, because the mean of its divisors is an integer number (12350657898).

Almost surely, 2^123501255315 is an apocalyptic number.

123501255315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123501255315 is a deficient number, since it is larger than the sum of its proper divisors (74109271053).

123501255315 is a wasteful number, since it uses less digits than its factorization.

123501255315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354918.

The product of its (nonzero) digits is 22500, while the sum is 33.

The spelling of 123501255315 in words is "one hundred twenty-three billion, five hundred one million, two hundred fifty-five thousand, three hundred fifteen".