23213075 has 24 divisors (see below), whose sum is σ = 30743568. Its totient is φ = 17326080.

The previous prime is 23213059. The next prime is 23213083. The reversal of 23213075 is 57031232.

It is not a de Polignac number, because 23213075 - 2⁴ = 23213059 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 23213075.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81884 + ... + 82166.

It is an arithmetic number, because the mean of its divisors is an integer number (1280982).

Almost surely, 2^23213075 is an apocalyptic number.

23213075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23213075 is a deficient number, since it is larger than the sum of its proper divisors (7530493).

23213075 is a wasteful number, since it uses less digits than its factorization.

23213075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503 (or 498 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 23213075 is about 4817.9949148998. The cubic root of 23213075 is about 285.2621984300.

The spelling of 23213075 in words is "twenty-three million, two hundred thirteen thousand, seventy-five".