23147365 has 16 divisors (see below), whose sum is σ = 29216880. Its totient is φ = 17579520.

The previous prime is 23147363. The next prime is 23147381. The reversal of 23147365 is 56374132.

It can be written as a sum of positive squares in 8 ways, for example, as 49729 + 23097636 = 223^2 + 4806^2 .

It is not a de Polignac number, because 23147365 - 2¹ = 23147363 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23147363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7537 + ... + 10153.

It is an arithmetic number, because the mean of its divisors is an integer number (1826055).

Almost surely, 2^23147365 is an apocalyptic number.

It is an amenable number.

23147365 is a deficient number, since it is larger than the sum of its proper divisors (6069515).

23147365 is a wasteful number, since it uses less digits than its factorization.

23147365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2712.

The product of its digits is 15120, while the sum is 31.

The square root of 23147365 is about 4811.1708554156. The cubic root of 23147365 is about 284.9927770817.

The spelling of 23147365 in words is "twenty-three million, one hundred forty-seven thousand, three hundred sixty-five".