23019315 has 16 divisors (see below), whose sum is σ = 40179456. Its totient is φ = 11160800.

The previous prime is 23019313. The next prime is 23019371. The reversal of 23019315 is 51391032.

It is a happy number.

It is not a de Polignac number, because 23019315 - 2¹ = 23019313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23019313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69591 + ... + 69920.

It is an arithmetic number, because the mean of its divisors is an integer number (2511216).

Almost surely, 2^23019315 is an apocalyptic number.

23019315 is a deficient number, since it is larger than the sum of its proper divisors (17160141).

23019315 is a wasteful number, since it uses less digits than its factorization.

23019315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139530.

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 23019315 is about 4797.8448286705. The cubic root of 23019315 is about 284.4662833789.

The spelling of 23019315 in words is "twenty-three million, nineteen thousand, three hundred fifteen".