23779242 has 24 divisors (see below), whose sum is σ = 52397280. Its totient is φ = 7791720.

The previous prime is 23779219. The next prime is 23779247. The reversal of 23779242 is 24297732.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 23779197 and 23779206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23779247) 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, 10134 + ... + 12257.

It is an arithmetic number, because the mean of its divisors is an integer number (2183220).

Almost surely, 2^23779242 is an apocalyptic number.

23779242 is an abundant number, since it is smaller than the sum of its proper divisors (28618038).

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

23779242 is a wasteful number, since it uses less digits than its factorization.

23779242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22458 (or 22455 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 23779242 is about 4876.3964153871. The cubic root of 23779242 is about 287.5627769656.

The spelling of 23779242 in words is "twenty-three million, seven hundred seventy-nine thousand, two hundred forty-two".