23348405 has 4 divisors (see below), whose sum is σ = 28018092. Its totient is φ = 18678720.

The previous prime is 23348401. The next prime is 23348407. The reversal of 23348405 is 50484332.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9872164 + 13476241 = 3142^2 + 3671^2 .

It is not a de Polignac number, because 23348405 - 2² = 23348401 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 (23348401) 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 in 3 ways as a sum of consecutive naturals, for example, 2334836 + ... + 2334845.

It is an arithmetic number, because the mean of its divisors is an integer number (7004523).

Almost surely, 2^23348405 is an apocalyptic number.

It is an amenable number.

23348405 is a deficient number, since it is larger than the sum of its proper divisors (4669687).

23348405 is an equidigital number, since it uses as much as digits as its factorization.

23348405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4669686.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 23348405 is about 4832.0187292683. The cubic root of 23348405 is about 285.8154750511.

The spelling of 23348405 in words is "twenty-three million, three hundred forty-eight thousand, four hundred five".