23232740 has 12 divisors (see below), whose sum is σ = 48788796. Its totient is φ = 9293088.

The previous prime is 23232721. The next prime is 23232743. The reversal of 23232740 is 4723232.

It can be written as a sum of positive squares in 2 ways, for example, as 15570916 + 7661824 = 3946^2 + 2768^2 .

It is not an unprimeable number, because it can be changed into a prime (23232743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 580799 + ... + 580838.

It is an arithmetic number, because the mean of its divisors is an integer number (4065733).

Almost surely, 2^23232740 is an apocalyptic number.

23232740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23232740 is an abundant number, since it is smaller than the sum of its proper divisors (25556056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23232740 is a wasteful number, since it uses less digits than its factorization.

23232740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161646 (or 1161644 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 23232740 is about 4820.0352695805. The cubic root of 23232740 is about 285.3427291624.

Adding to 23232740 its reverse (4723232), we get a palindrome (27955972).

The spelling of 23232740 in words is "twenty-three million, two hundred thirty-two thousand, seven hundred forty".