23513053 has 4 divisors (see below), whose sum is σ = 23523580. Its totient is φ = 23502528.

The previous prime is 23513029. The next prime is 23513069. The reversal of 23513053 is 35031532.

It is a happy number.

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 16426809 + 7086244 = 4053^2 + 2662^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23513053 is a prime.

It is a super-2 number, since 2×23513053² = 1105727322761618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23513003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 438 + ... + 6871.

It is an arithmetic number, because the mean of its divisors is an integer number (5880895).

Almost surely, 2^23513053 is an apocalyptic number.

It is an amenable number.

23513053 is a deficient number, since it is larger than the sum of its proper divisors (10527).

23513053 is an equidigital number, since it uses as much as digits as its factorization.

23513053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10526.

The product of its (nonzero) digits is 1350, while the sum is 22.

The square root of 23513053 is about 4849.0259846695. The cubic root of 23513053 is about 286.4857386958.

Adding to 23513053 its reverse (35031532), we get a palindrome (58544585).

The spelling of 23513053 in words is "twenty-three million, five hundred thirteen thousand, fifty-three".