23144913 has 16 divisors (see below), whose sum is σ = 37406400. Its totient is φ = 14027040.

The previous prime is 23144911. The next prime is 23144921. The reversal of 23144913 is 31944132.

It is not a de Polignac number, because 23144913 - 2¹ = 23144911 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (23144911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38668 + ... + 39261.

It is an arithmetic number, because the mean of its divisors is an integer number (2337900).

Almost surely, 2^23144913 is an apocalyptic number.

It is an amenable number.

23144913 is a deficient number, since it is larger than the sum of its proper divisors (14261487).

23144913 is a wasteful number, since it uses less digits than its factorization.

23144913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77949 (or 77943 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 23144913 is about 4810.9160250414. The cubic root of 23144913 is about 284.9827136330.

It can be divided in two parts, 2314 and 4913, that added together give a palindrome (7227).

The spelling of 23144913 in words is "twenty-three million, one hundred forty-four thousand, nine hundred thirteen".