23673513 has 4 divisors (see below), whose sum is σ = 31564688. Its totient is φ = 15782340.

The previous prime is 23673511. The next prime is 23673527. The reversal of 23673513 is 31537632.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 23673513 - 2¹ = 23673511 is a prime.

It is a super-2 number, since 2×23673513² = 1120870435522338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23673511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3945583 + ... + 3945588.

It is an arithmetic number, because the mean of its divisors is an integer number (7891172).

Almost surely, 2^23673513 is an apocalyptic number.

It is an amenable number.

23673513 is a deficient number, since it is larger than the sum of its proper divisors (7891175).

23673513 is an equidigital number, since it uses as much as digits as its factorization.

23673513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7891174.

The product of its digits is 11340, while the sum is 30.

The square root of 23673513 is about 4865.5434434398. The cubic root of 23673513 is about 287.1359495451.

The spelling of 23673513 in words is "twenty-three million, six hundred seventy-three thousand, five hundred thirteen".