23154412 has 18 divisors (see below), whose sum is σ = 41971748. Its totient is φ = 11176368.

The previous prime is 23154401. The next prime is 23154413. The reversal of 23154412 is 21445132.

It is a super-2 number, since 2×23154412² = 1072253590131488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23154413) 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 5 ways as a sum of consecutive naturals, for example, 78 + ... + 6805.

Almost surely, 2^23154412 is an apocalyptic number.

It is an amenable number.

23154412 is a deficient number, since it is larger than the sum of its proper divisors (18817336).

23154412 is a wasteful number, since it uses less digits than its factorization.

23154412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6945 (or 6914 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 23154412 is about 4811.9031577953. The cubic root of 23154412 is about 285.0216952808.

Adding to 23154412 its reverse (21445132), we get a palindrome (44599544).

The spelling of 23154412 in words is "twenty-three million, one hundred fifty-four thousand, four hundred twelve".