23390934 has 24 divisors (see below), whose sum is σ = 54420408. Its totient is φ = 6683040.

The previous prime is 23390933. The next prime is 23390953. The reversal of 23390934 is 43909332.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23390895 and 23390904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23390933) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39487 + ... + 40074.

It is an arithmetic number, because the mean of its divisors is an integer number (2267517).

Almost surely, 2^23390934 is an apocalyptic number.

23390934 is an abundant number, since it is smaller than the sum of its proper divisors (31029474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23390934 is a wasteful number, since it uses less digits than its factorization.

23390934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79580 (or 79573 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 33.

The square root of 23390934 is about 4836.4174757769. The cubic root of 23390934 is about 285.9889069328.

The spelling of 23390934 in words is "twenty-three million, three hundred ninety thousand, nine hundred thirty-four".