23630013 has 24 divisors (see below), whose sum is σ = 38247456. Its totient is φ = 13932000.

The previous prime is 23630011. The next prime is 23630021. The reversal of 23630013 is 31003632.

It is a happy number.

23630013 is a `hidden beast` number, since 23 + 630 + 0 + 13 = 666.

It is not a de Polignac number, because 23630013 - 2¹ = 23630011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23630011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 438 + ... + 6888.

It is an arithmetic number, because the mean of its divisors is an integer number (1593644).

Almost surely, 2^23630013 is an apocalyptic number.

It is an amenable number.

23630013 is a deficient number, since it is larger than the sum of its proper divisors (14617443).

23630013 is a wasteful number, since it uses less digits than its factorization.

23630013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6505 (or 6502 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 23630013 is about 4861.0711782487. The cubic root of 23630013 is about 286.9599712695.

Adding to 23630013 its reverse (31003632), we get a palindrome (54633645).

It can be divided in two parts, 23 and 630013, that added together give a palindrome (630036).

The spelling of 23630013 in words is "twenty-three million, six hundred thirty thousand, thirteen".