23405152 has 24 divisors (see below), whose sum is σ = 46267200. Its totient is φ = 11654784.

The previous prime is 23405149. The next prime is 23405153. The reversal of 23405152 is 25150432.

It is a super-2 number, since 2×23405152² = 1095602280286208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23405153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7249 + ... + 9967.

It is an arithmetic number, because the mean of its divisors is an integer number (1927800).

Almost surely, 2^23405152 is an apocalyptic number.

It is an amenable number.

23405152 is a deficient number, since it is larger than the sum of its proper divisors (22862048).

23405152 is a wasteful number, since it uses less digits than its factorization.

23405152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2998 (or 2990 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 23405152 is about 4837.8871421314. The cubic root of 23405152 is about 286.0468405847.

Adding to 23405152 its reverse (25150432), we get a palindrome (48555584).

The spelling of 23405152 in words is "twenty-three million, four hundred five thousand, one hundred fifty-two".