23421726 has 24 divisors (see below), whose sum is σ = 51507144. Its totient is φ = 7690320.

The previous prime is 23421719. The next prime is 23421773. The reversal of 23421726 is 62712432.

It is a self number, because there is not a number n which added to its sum of digits gives 23421726.

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, 8505 + ... + 10916.

It is an arithmetic number, because the mean of its divisors is an integer number (2146131).

Almost surely, 2^23421726 is an apocalyptic number.

23421726 is an abundant number, since it is smaller than the sum of its proper divisors (28085418).

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

23421726 is a wasteful number, since it uses less digits than its factorization.

23421726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19496 (or 19493 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 23421726 is about 4839.5997768411. The cubic root of 23421726 is about 286.1143445500.

The spelling of 23421726 in words is "twenty-three million, four hundred twenty-one thousand, seven hundred twenty-six".