23002749 has 48 divisors (see below), whose sum is σ = 43630080. Its totient is φ = 11314080.

The previous prime is 23002729. The next prime is 23002781. The reversal of 23002749 is 94720032.

It is not a de Polignac number, because 23002749 - 2⁹ = 23002237 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23002709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12294 + ... + 14040.

It is an arithmetic number, because the mean of its divisors is an integer number (908960).

Almost surely, 2^23002749 is an apocalyptic number.

It is an amenable number.

23002749 is a deficient number, since it is larger than the sum of its proper divisors (20627331).

23002749 is a wasteful number, since it uses less digits than its factorization.

23002749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1790 (or 1787 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 23002749 is about 4796.1181178115. The cubic root of 23002749 is about 284.3980276647.

The spelling of 23002749 in words is "twenty-three million, two thousand, seven hundred forty-nine".