123230115 has 24 divisors (see below), whose sum is σ = 220491648. Its totient is φ = 63601920.

The previous prime is 123230111. The next prime is 123230117. The reversal of 123230115 is 511032321.

It is not a de Polignac number, because 123230115 - 2² = 123230111 is a prime.

It is a super-2 number, since 2×123230115² = 30371322485826450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123230111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42774 + ... + 45563.

It is an arithmetic number, because the mean of its divisors is an integer number (9187152).

Almost surely, 2^123230115 is an apocalyptic number.

123230115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123230115 is a deficient number, since it is larger than the sum of its proper divisors (97261533).

123230115 is a wasteful number, since it uses less digits than its factorization.

123230115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88379 (or 88376 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 123230115 is about 11100.9060441029. The cubic root of 123230115 is about 497.6289271338.

Adding to 123230115 its reverse (511032321), we get a palindrome (634262436).

The spelling of 123230115 in words is "one hundred twenty-three million, two hundred thirty thousand, one hundred fifteen".