23450013 has 16 divisors (see below), whose sum is σ = 35069760. Its totient is φ = 15485328.

The previous prime is 23450003. The next prime is 23450017. The reversal of 23450013 is 31005432.

It is not a de Polignac number, because 23450013 - 2⁴ = 23449997 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23450017) 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, 1170 + ... + 6947.

It is an arithmetic number, because the mean of its divisors is an integer number (2191860).

Almost surely, 2^23450013 is an apocalyptic number.

It is an amenable number.

23450013 is a deficient number, since it is larger than the sum of its proper divisors (11619747).

23450013 is a wasteful number, since it uses less digits than its factorization.

23450013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8233 (or 8227 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 23450013 is about 4842.5213473974. The cubic root of 23450013 is about 286.2294806773.

Adding to 23450013 its reverse (31005432), we get a palindrome (54455445).

The spelling of 23450013 in words is "twenty-three million, four hundred fifty thousand, thirteen".