23405346 has 12 divisors (see below), whose sum is σ = 50711622. Its totient is φ = 7801776.

The previous prime is 23405293. The next prime is 23405357. The reversal of 23405346 is 64350432.

It can be written as a sum of positive squares in only one way, i.e., 13727025 + 9678321 = 3705^2 + 3111^2 .

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 650131 + ... + 650166.

Almost surely, 2^23405346 is an apocalyptic number.

23405346 is an abundant number, since it is smaller than the sum of its proper divisors (27306276).

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

23405346 is a wasteful number, since it uses less digits than its factorization.

23405346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300305 (or 1300302 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 23405346 is about 4837.9071921648. The cubic root of 23405346 is about 286.0476309084.

Adding to 23405346 its reverse (64350432), we get a palindrome (87755778).

The spelling of 23405346 in words is "twenty-three million, four hundred five thousand, three hundred forty-six".