23053815 has 20 divisors (see below), whose sum is σ = 41326824. Its totient is φ = 12295152.

The previous prime is 23053777. The next prime is 23053847. The reversal of 23053815 is 51835032.

It is not a de Polignac number, because 23053815 - 2⁷ = 23053687 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 28057 + ... + 28866.

Almost surely, 2^23053815 is an apocalyptic number.

23053815 is a deficient number, since it is larger than the sum of its proper divisors (18273009).

23053815 is an equidigital number, since it uses as much as digits as its factorization.

23053815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56940 (or 56931 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 23053815 is about 4801.4388468458. The cubic root of 23053815 is about 284.6083262376.

Adding to 23053815 its reverse (51835032), we get a palindrome (74888847).

It can be divided in two parts, 230 and 53815, that added together give a palindrome (54045).

The spelling of 23053815 in words is "twenty-three million, fifty-three thousand, eight hundred fifteen".