23993386 has 4 divisors (see below), whose sum is σ = 35990082. Its totient is φ = 11996692.

The previous prime is 23993377. The next prime is 23993399. The reversal of 23993386 is 68339932.

It is a happy number.

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., 23707161 + 286225 = 4869^2 + 535^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5998345 + ... + 5998348.

Almost surely, 2^23993386 is an apocalyptic number.

23993386 is a deficient number, since it is larger than the sum of its proper divisors (11996696).

23993386 is a wasteful number, since it uses less digits than its factorization.

23993386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11996695.

The product of its digits is 209952, while the sum is 43.

The square root of 23993386 is about 4898.3044005043. The cubic root of 23993386 is about 288.4234142974.

The spelling of 23993386 in words is "twenty-three million, nine hundred ninety-three thousand, three hundred eighty-six".