23320394 has 4 divisors (see below), whose sum is σ = 34980594. Its totient is φ = 11660196.

The previous prime is 23320387. The next prime is 23320421. The reversal of 23320394 is 49302332.

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

It can be written as a sum of positive squares in only one way, i.e., 15960025 + 7360369 = 3995^2 + 2713^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5830097 + ... + 5830100.

Almost surely, 2^23320394 is an apocalyptic number.

23320394 is a deficient number, since it is larger than the sum of its proper divisors (11660200).

23320394 is a wasteful number, since it uses less digits than its factorization.

23320394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11660199.

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 23320394 is about 4829.1193814193. The cubic root of 23320394 is about 285.7011320373.

The spelling of 23320394 in words is "twenty-three million, three hundred twenty thousand, three hundred ninety-four".