232173013 has 4 divisors (see below), whose sum is σ = 233651980. Its totient is φ = 230694048.

The previous prime is 232172977. The next prime is 232173031. The reversal of 232173013 is 310371232.

It is a happy number.

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 144432324 + 87740689 = 12018^2 + 9367^2 .

It is a cyclic number.

It is not a de Polignac number, because 232173013 - 2²¹ = 230075861 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 (232173313) 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, 739248 + ... + 739561.

It is an arithmetic number, because the mean of its divisors is an integer number (58412995).

Almost surely, 2^232173013 is an apocalyptic number.

It is an amenable number.

232173013 is a deficient number, since it is larger than the sum of its proper divisors (1478967).

232173013 is a wasteful number, since it uses less digits than its factorization.

232173013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1478966.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 232173013 is about 15237.2245832369. The cubic root of 232173013 is about 614.6160716521.

The spelling of 232173013 in words is "two hundred thirty-two million, one hundred seventy-three thousand, thirteen".