113623215 has 16 divisors (see below), whose sum is σ = 187662336. Its totient is φ = 58644000.

The previous prime is 113623207. The next prime is 113623231. The reversal of 113623215 is 512326311.

It is not a de Polignac number, because 113623215 - 2³ = 113623207 is a prime.

It is a congruent number.

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, 121711 + ... + 122640.

It is an arithmetic number, because the mean of its divisors is an integer number (11728896).

Almost surely, 2^113623215 is an apocalyptic number.

113623215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

113623215 is a deficient number, since it is larger than the sum of its proper divisors (74039121).

113623215 is a wasteful number, since it uses less digits than its factorization.

113623215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244390.

The product of its digits is 1080, while the sum is 24.

The square root of 113623215 is about 10659.4190742273. The cubic root of 113623215 is about 484.3459707334.

Adding to 113623215 its reverse (512326311), we get a palindrome (625949526).

The spelling of 113623215 in words is "one hundred thirteen million, six hundred twenty-three thousand, two hundred fifteen".