23234905 has 8 divisors (see below), whose sum is σ = 28562184. Its totient is φ = 18134400.

The previous prime is 23234879. The next prime is 23234909. The reversal of 23234905 is 50943232.

It can be written as a sum of positive squares in 4 ways, for example, as 233289 + 23001616 = 483^2 + 4796^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23234905 - 2²³ = 14846297 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23234909) 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 7 ways as a sum of consecutive naturals, for example, 56466 + ... + 56875.

It is an arithmetic number, because the mean of its divisors is an integer number (3570273).

Almost surely, 2^23234905 is an apocalyptic number.

It is an amenable number.

23234905 is a deficient number, since it is larger than the sum of its proper divisors (5327279).

23234905 is a wasteful number, since it uses less digits than its factorization.

23234905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113387.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 23234905 is about 4820.2598477675. The cubic root of 23234905 is about 285.3515923417.

The spelling of 23234905 in words is "twenty-three million, two hundred thirty-four thousand, nine hundred five".