23213475 has 18 divisors (see below), whose sum is σ = 41578316. Its totient is φ = 12380400.

The previous prime is 23213473. The next prime is 23213479. The reversal of 23213475 is 57431232.

It is not a de Polignac number, because 23213475 - 2¹ = 23213473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23213473) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 51361 + ... + 51810.

Almost surely, 2^23213475 is an apocalyptic number.

23213475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23213475 is a deficient number, since it is larger than the sum of its proper divisors (18364841).

23213475 is a wasteful number, since it uses less digits than its factorization.

23213475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103187 (or 103179 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 23213475 is about 4818.0364257652. The cubic root of 23213475 is about 285.2638369350.

The spelling of 23213475 in words is "twenty-three million, two hundred thirteen thousand, four hundred seventy-five".