230153081 has 2 divisors, whose sum is σ = 230153082. Its totient is φ = 230153080.

The previous prime is 230153069. The next prime is 230153087. The reversal of 230153081 is 180351032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139617856 + 90535225 = 11816^2 + 9515^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230153081 is a prime.

It is a super-2 number, since 2×230153081² = 105940881387585122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (230153087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115076540 + 115076541.

It is an arithmetic number, because the mean of its divisors is an integer number (115076541).

Almost surely, 2^230153081 is an apocalyptic number.

It is an amenable number.

230153081 is a deficient number, since it is larger than the sum of its proper divisors (1).

230153081 is an equidigital number, since it uses as much as digits as its factorization.

230153081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 230153081 is about 15170.7969797239. The cubic root of 230153081 is about 612.8284672190.

The spelling of 230153081 in words is "two hundred thirty million, one hundred fifty-three thousand, eighty-one".