23154232 has 8 divisors (see below), whose sum is σ = 43414200. Its totient is φ = 11577112.

The previous prime is 23154199. The next prime is 23154239. The reversal of 23154232 is 23245132.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×23154232² = 1072236919019648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23154239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1447132 + ... + 1447147.

It is an arithmetic number, because the mean of its divisors is an integer number (5426775).

Almost surely, 2^23154232 is an apocalyptic number.

It is an amenable number.

23154232 is a deficient number, since it is larger than the sum of its proper divisors (20259968).

23154232 is a wasteful number, since it uses less digits than its factorization.

23154232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2894285 (or 2894281 counting only the distinct ones).

The product of its digits is 1440, while the sum is 22.

The square root of 23154232 is about 4811.8844541406. The cubic root of 23154232 is about 285.0209567025.

Adding to 23154232 its reverse (23245132), we get a palindrome (46399364).

The spelling of 23154232 in words is "twenty-three million, one hundred fifty-four thousand, two hundred thirty-two".