23406426 has 24 divisors (see below), whose sum is σ = 52351104. Its totient is φ = 7550280.

The previous prime is 23406413. The next prime is 23406431. The reversal of 23406426 is 62460432.

23406426 is a `hidden beast` number, since 234 + 0 + 6 + 426 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 23406426.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20416 + ... + 21531.

It is an arithmetic number, because the mean of its divisors is an integer number (2181296).

Almost surely, 2^23406426 is an apocalyptic number.

23406426 is an abundant number, since it is smaller than the sum of its proper divisors (28944678).

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

23406426 is a wasteful number, since it uses less digits than its factorization.

23406426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41986 (or 41983 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 23406426 is about 4838.0188093888. The cubic root of 23406426 is about 286.0520305683.

Adding to 23406426 its reverse (62460432), we get a palindrome (85866858).

It can be divided in two parts, 23406 and 426, that added together give a palindrome (23832).

The spelling of 23406426 in words is "twenty-three million, four hundred six thousand, four hundred twenty-six".