23243733 has 32 divisors (see below), whose sum is σ = 36115200. Its totient is φ = 14758848.

The previous prime is 23243683. The next prime is 23243741. The reversal of 23243733 is 33734232.

It is a happy number.

It is not a de Polignac number, because 23243733 - 2⁹ = 23243221 is a prime.

It is a super-2 number, since 2×23243733² = 1080542247550578, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 23243697 and 23243706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23241733) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52728 + ... + 53166.

It is an arithmetic number, because the mean of its divisors is an integer number (1128600).

Almost surely, 2^23243733 is an apocalyptic number.

It is an amenable number.

23243733 is a deficient number, since it is larger than the sum of its proper divisors (12871467).

23243733 is a wasteful number, since it uses less digits than its factorization.

23243733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538 (or 532 counting only the distinct ones).

The product of its digits is 9072, while the sum is 27.

The square root of 23243733 is about 4821.1754790715. The cubic root of 23243733 is about 285.3877271266.

Adding to 23243733 its reverse (33734232), we get a palindrome (56977965).

The spelling of 23243733 in words is "twenty-three million, two hundred forty-three thousand, seven hundred thirty-three".