23783975 has 12 divisors (see below), whose sum is σ = 30444480. Its totient is φ = 18412800.

The previous prime is 23783971. The next prime is 23783993. The reversal of 23783975 is 57938732.

It is not a de Polignac number, because 23783975 - 2² = 23783971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23783971) 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, 14570 + ... + 16119.

It is an arithmetic number, because the mean of its divisors is an integer number (2537040).

Almost surely, 2^23783975 is an apocalyptic number.

23783975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23783975 is a deficient number, since it is larger than the sum of its proper divisors (6660505).

23783975 is a wasteful number, since it uses less digits than its factorization.

23783975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30730 (or 30725 counting only the distinct ones).

The product of its digits is 317520, while the sum is 44.

The square root of 23783975 is about 4876.8816881282. The cubic root of 23783975 is about 287.5818544497.

The spelling of 23783975 in words is "twenty-three million, seven hundred eighty-three thousand, nine hundred seventy-five".