23919426 has 48 divisors (see below), whose sum is σ = 53464320. Its totient is φ = 7725600.

The previous prime is 23919419. The next prime is 23919431. The reversal of 23919426 is 62491932.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107151 + ... + 107373.

It is an arithmetic number, because the mean of its divisors is an integer number (1113840).

Almost surely, 2^23919426 is an apocalyptic number.

23919426 is an abundant number, since it is smaller than the sum of its proper divisors (29544894).

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

23919426 is a wasteful number, since it uses less digits than its factorization.

23919426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391 (or 388 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 23919426 is about 4890.7490223891. The cubic root of 23919426 is about 288.1267526553.

The spelling of 23919426 in words is "twenty-three million, nine hundred nineteen thousand, four hundred twenty-six".