23147733 has 16 divisors (see below), whose sum is σ = 35418240. Its totient is φ = 13172736.

The previous prime is 23147723. The next prime is 23147737. The reversal of 23147733 is 33774132.

It is not a de Polignac number, because 23147733 - 2⁸ = 23147477 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23147733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23147737) 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, 3253 + ... + 7541.

It is an arithmetic number, because the mean of its divisors is an integer number (2213640).

Almost surely, 2^23147733 is an apocalyptic number.

It is an amenable number.

23147733 is a deficient number, since it is larger than the sum of its proper divisors (12270507).

23147733 is a wasteful number, since it uses less digits than its factorization.

23147733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4556.

The product of its digits is 10584, while the sum is 30.

The square root of 23147733 is about 4811.2090995923. The cubic root of 23147733 is about 284.9942873586.

The spelling of 23147733 in words is "twenty-three million, one hundred forty-seven thousand, seven hundred thirty-three".