23268749 has 16 divisors (see below), whose sum is σ = 28529280. Its totient is φ = 18532800.

The previous prime is 23268743. The next prime is 23268781. The reversal of 23268749 is 94786232.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 23268749 - 2⁸ = 23268493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23268743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5399 + ... + 8699.

It is an arithmetic number, because the mean of its divisors is an integer number (1783080).

Almost surely, 2^23268749 is an apocalyptic number.

It is an amenable number.

23268749 is a deficient number, since it is larger than the sum of its proper divisors (5260531).

23268749 is a wasteful number, since it uses less digits than its factorization.

23268749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3380.

The product of its digits is 145152, while the sum is 41.

The square root of 23268749 is about 4823.7691694359. The cubic root of 23268749 is about 285.4900729892.

The spelling of 23268749 in words is "twenty-three million, two hundred sixty-eight thousand, seven hundred forty-nine".