230136173 has 2 divisors, whose sum is σ = 230136174. Its totient is φ = 230136172.

The previous prime is 230136161. The next prime is 230136211. The reversal of 230136173 is 371631032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136375684 + 93760489 = 11678^2 + 9683^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230136173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230136143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115068086 + 115068087.

It is an arithmetic number, because the mean of its divisors is an integer number (115068087).

Almost surely, 2^230136173 is an apocalyptic number.

It is an amenable number.

230136173 is a deficient number, since it is larger than the sum of its proper divisors (1).

230136173 is an equidigital number, since it uses as much as digits as its factorization.

230136173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 230136173 is about 15170.2397146518. The cubic root of 230136173 is about 612.8134598778.

The spelling of 230136173 in words is "two hundred thirty million, one hundred thirty-six thousand, one hundred seventy-three".