232172753 has 4 divisors (see below), whose sum is σ = 240178740. Its totient is φ = 224166768.

The previous prime is 232172749. The next prime is 232172779. The reversal of 232172753 is 357271232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 81938704 + 150234049 = 9052^2 + 12257^2 .

It is a cyclic number.

It is not a de Polignac number, because 232172753 - 2² = 232172749 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (232172713) 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, 4002950 + ... + 4003007.

It is an arithmetic number, because the mean of its divisors is an integer number (60044685).

Almost surely, 2^232172753 is an apocalyptic number.

It is an amenable number.

232172753 is a deficient number, since it is larger than the sum of its proper divisors (8005987).

232172753 is an equidigital number, since it uses as much as digits as its factorization.

232172753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8005986.

The product of its digits is 17640, while the sum is 32.

The square root of 232172753 is about 15237.2160514971. The cubic root of 232172753 is about 614.6158422251.

The spelling of 232172753 in words is "two hundred thirty-two million, one hundred seventy-two thousand, seven hundred fifty-three".