23104513 has 16 divisors (see below), whose sum is σ = 25945920. Its totient is φ = 20445696.

The previous prime is 23104511. The next prime is 23104519. The reversal of 23104513 is 31540132.

It is not a de Polignac number, because 23104513 - 2¹ = 23104511 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23104511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75106 + ... + 75412.

It is an arithmetic number, because the mean of its divisors is an integer number (1621620).

Almost surely, 2^23104513 is an apocalyptic number.

It is an amenable number.

23104513 is a deficient number, since it is larger than the sum of its proper divisors (2841407).

23104513 is a wasteful number, since it uses less digits than its factorization.

23104513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 23104513 is about 4806.7154065952. The cubic root of 23104513 is about 284.8168023440.

Adding to 23104513 its reverse (31540132), we get a palindrome (54644645).

It can be divided in two parts, 23104 and 513, that multiplied together give a cube (11852352 = 228³).

The spelling of 23104513 in words is "twenty-three million, one hundred four thousand, five hundred thirteen".