23153405 has 16 divisors (see below), whose sum is σ = 32094144. Its totient is φ = 15847680.

The previous prime is 23153401. The next prime is 23153407. The reversal of 23153405 is 50435132.

It is not a de Polignac number, because 23153405 - 2² = 23153401 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23153401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11447 + ... + 13316.

It is an arithmetic number, because the mean of its divisors is an integer number (2005884).

Almost surely, 2^23153405 is an apocalyptic number.

It is an amenable number.

23153405 is a deficient number, since it is larger than the sum of its proper divisors (8940739).

23153405 is a wasteful number, since it uses less digits than its factorization.

23153405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24796.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 23153405 is about 4811.7985203040. The cubic root of 23153405 is about 285.0175632964.

Adding to 23153405 its reverse (50435132), we get a palindrome (73588537).

The spelling of 23153405 in words is "twenty-three million, one hundred fifty-three thousand, four hundred five".