23455013 has 4 divisors (see below), whose sum is σ = 23465100. Its totient is φ = 23444928.

The previous prime is 23455007. The next prime is 23455027. The reversal of 23455013 is 31055432.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 11607649 + 11847364 = 3407^2 + 3442^2 .

It is a cyclic number.

It is not a de Polignac number, because 23455013 - 2¹⁴ = 23438629 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23455013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23455073) 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, 413 + ... + 6861.

It is an arithmetic number, because the mean of its divisors is an integer number (5866275).

Almost surely, 2^23455013 is an apocalyptic number.

It is an amenable number.

23455013 is a deficient number, since it is larger than the sum of its proper divisors (10087).

23455013 is an equidigital number, since it uses as much as digits as its factorization.

23455013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10086.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 23455013 is about 4843.0375798666. The cubic root of 23455013 is about 286.2498224670.

The spelling of 23455013 in words is "twenty-three million, four hundred fifty-five thousand, thirteen".