23231552 has 28 divisors (see below), whose sum is σ = 47693580. Its totient is φ = 11214336.

The previous prime is 23231539. The next prime is 23231561. The reversal of 23231552 is 25513232.

It can be written as a sum of positive squares in 2 ways, for example, as 17774656 + 5456896 = 4216^2 + 2336^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4403 + ... + 8114.

Almost surely, 2^23231552 is an apocalyptic number.

It is an amenable number.

23231552 is an abundant number, since it is smaller than the sum of its proper divisors (24462028).

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

23231552 is a wasteful number, since it uses less digits than its factorization.

23231552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12558 (or 12548 counting only the distinct ones).

The product of its digits is 1800, while the sum is 23.

The square root of 23231552 is about 4819.9120323923. The cubic root of 23231552 is about 285.3378654379.

Adding to 23231552 its reverse (25513232), we get a palindrome (48744784).

The spelling of 23231552 in words is "twenty-three million, two hundred thirty-one thousand, five hundred fifty-two".