23538355 has 4 divisors (see below), whose sum is σ = 28246032. Its totient is φ = 18830680.

The previous prime is 23538337. The next prime is 23538367. The reversal of 23538355 is 55383532.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 23538355 - 2⁵ = 23538323 is a prime.

It is a super-2 number, since 2×23538355² = 1108108312212050, which contains 22 as substring.

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 23538355.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2353831 + ... + 2353840.

It is an arithmetic number, because the mean of its divisors is an integer number (7061508).

Almost surely, 2^23538355 is an apocalyptic number.

23538355 is a deficient number, since it is larger than the sum of its proper divisors (4707677).

23538355 is an equidigital number, since it uses as much as digits as its factorization.

23538355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4707676.

The product of its digits is 54000, while the sum is 34.

The square root of 23538355 is about 4851.6342607414. The cubic root of 23538355 is about 286.5884626829.

The spelling of 23538355 in words is "twenty-three million, five hundred thirty-eight thousand, three hundred fifty-five".