23983154 has 16 divisors (see below), whose sum is σ = 38861592. Its totient is φ = 11035008.

The previous prime is 23983123. The next prime is 23983159. The reversal of 23983154 is 45138932.

23983154 = 312² + 313² + ... + 467².

It can be written as a sum of positive squares in 4 ways, for example, as 19669225 + 4313929 = 4435^2 + 2077^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23983159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8462 + ... + 10934.

Almost surely, 2^23983154 is an apocalyptic number.

23983154 is a deficient number, since it is larger than the sum of its proper divisors (14878438).

23983154 is a wasteful number, since it uses less digits than its factorization.

23983154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2861.

The product of its digits is 25920, while the sum is 35.

The square root of 23983154 is about 4897.2598460772. The cubic root of 23983154 is about 288.3824089973.

The spelling of 23983154 in words is "twenty-three million, nine hundred eighty-three thousand, one hundred fifty-four".