23213192 has 8 divisors (see below), whose sum is σ = 43524750. Its totient is φ = 11606592.

The previous prime is 23213189. The next prime is 23213209. The reversal of 23213192 is 29131232.

It can be written as a sum of positive squares in only one way, i.e., 22714756 + 498436 = 4766^2 + 706^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1450817 + ... + 1450832.

Almost surely, 2^23213192 is an apocalyptic number.

It is an amenable number.

23213192 is a deficient number, since it is larger than the sum of its proper divisors (20311558).

23213192 is a wasteful number, since it uses less digits than its factorization.

23213192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2901655 (or 2901651 counting only the distinct ones).

The product of its digits is 648, while the sum is 23.

The square root of 23213192 is about 4818.0070568649. The cubic root of 23213192 is about 285.2626776946.

The spelling of 23213192 in words is "twenty-three million, two hundred thirteen thousand, one hundred ninety-two".