23340905 has 24 divisors (see below), whose sum is σ = 33291648. Its totient is φ = 15656928.

The previous prime is 23340901. The next prime is 23340907. The reversal of 23340905 is 50904332.

It is not a de Polignac number, because 23340905 - 2² = 23340901 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23340901) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10502 + ... + 12528.

It is an arithmetic number, because the mean of its divisors is an integer number (1387152).

Almost surely, 2^23340905 is an apocalyptic number.

It is an amenable number.

23340905 is a deficient number, since it is larger than the sum of its proper divisors (9950743).

23340905 is a wasteful number, since it uses less digits than its factorization.

23340905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2093 (or 2086 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 23340905 is about 4831.2425937848. The cubic root of 23340905 is about 285.7848684547.

The spelling of 23340905 in words is "twenty-three million, three hundred forty thousand, nine hundred five".