123115465 has 32 divisors (see below), whose sum is σ = 167443200. Its totient is φ = 86112000.

The previous prime is 123115453. The next prime is 123115483. The reversal of 123115465 is 564511321.

It is not a de Polignac number, because 123115465 - 2⁷ = 123115337 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 205236 + ... + 205834.

It is an arithmetic number, because the mean of its divisors is an integer number (5232600).

Almost surely, 2^123115465 is an apocalyptic number.

It is an amenable number.

123115465 is a deficient number, since it is larger than the sum of its proper divisors (44327735).

123115465 is a wasteful number, since it uses less digits than its factorization.

123115465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753.

The product of its digits is 3600, while the sum is 28.

The square root of 123115465 is about 11095.7408495332. The cubic root of 123115465 is about 497.4745523712.

Adding to 123115465 its reverse (564511321), we get a palindrome (687626786).

The spelling of 123115465 in words is "one hundred twenty-three million, one hundred fifteen thousand, four hundred sixty-five".