23985154 has 8 divisors (see below), whose sum is σ = 36296460. Its totient is φ = 11886336.

The previous prime is 23985151. The next prime is 23985161. The reversal of 23985154 is 45158932.

It can be written as a sum of positive squares in 2 ways, for example, as 21409129 + 2576025 = 4627^2 + 1605^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×23985154³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (23985151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52839 + ... + 53290.

Almost surely, 2^23985154 is an apocalyptic number.

23985154 is a deficient number, since it is larger than the sum of its proper divisors (12311306).

23985154 is a wasteful number, since it uses less digits than its factorization.

23985154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106244.

The product of its digits is 43200, while the sum is 37.

The square root of 23985154 is about 4897.4640376423. The cubic root of 23985154 is about 288.3904250237.

Subtracting 23985154 from its reverse (45158932), we obtain a triangular number (21173778 = T₆₅₀₇).

The spelling of 23985154 in words is "twenty-three million, nine hundred eighty-five thousand, one hundred fifty-four".