23853994 has 4 divisors (see below), whose sum is σ = 35780994. Its totient is φ = 11926996.

The previous prime is 23853959. The next prime is 23854027. The reversal of 23853994 is 49935832.

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., 14630625 + 9223369 = 3825^2 + 3037^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23853994.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5963497 + ... + 5963500.

Almost surely, 2^23853994 is an apocalyptic number.

23853994 is a deficient number, since it is larger than the sum of its proper divisors (11927000).

23853994 is a wasteful number, since it uses less digits than its factorization.

23853994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11926999.

The product of its digits is 233280, while the sum is 43.

The square root of 23853994 is about 4884.0550774945. The cubic root of 23853994 is about 287.8637875032.

The spelling of 23853994 in words is "twenty-three million, eight hundred fifty-three thousand, nine hundred ninety-four".