232315453 has 4 divisors (see below), whose sum is σ = 234615708. Its totient is φ = 230015200.

The previous prime is 232315439. The next prime is 232315469. The reversal of 232315453 is 354513232.

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 124612569 + 107702884 = 11163^2 + 10378^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232315453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232315253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1149976 + ... + 1150177.

It is an arithmetic number, because the mean of its divisors is an integer number (58653927).

Almost surely, 2^232315453 is an apocalyptic number.

It is an amenable number.

232315453 is a deficient number, since it is larger than the sum of its proper divisors (2300255).

232315453 is a wasteful number, since it uses less digits than its factorization.

232315453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2300254.

The product of its digits is 10800, while the sum is 28.

The square root of 232315453 is about 15241.8979461221. The cubic root of 232315453 is about 614.7417365816.

Adding to 232315453 its reverse (354513232), we get a palindrome (586828685).

The spelling of 232315453 in words is "two hundred thirty-two million, three hundred fifteen thousand, four hundred fifty-three".