230172451 has 4 divisors (see below), whose sum is σ = 231444304. Its totient is φ = 228900600.

The previous prime is 230172419. The next prime is 230172457. The reversal of 230172451 is 154271032.

It is a happy number.

230172451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 230172451 - 2⁵ = 230172419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230172457) 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, 635655 + ... + 636016.

It is an arithmetic number, because the mean of its divisors is an integer number (57861076).

Almost surely, 2^230172451 is an apocalyptic number.

230172451 is a deficient number, since it is larger than the sum of its proper divisors (1271853).

230172451 is a wasteful number, since it uses less digits than its factorization.

230172451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271852.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 230172451 is about 15171.4353638672. The cubic root of 230172451 is about 612.8456588991.

The spelling of 230172451 in words is "two hundred thirty million, one hundred seventy-two thousand, four hundred fifty-one".