230153933 has 2 divisors, whose sum is σ = 230153934. Its totient is φ = 230153932.

The previous prime is 230153929. The next prime is 230153941. The reversal of 230153933 is 339351032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 186104164 + 44049769 = 13642^2 + 6637^2 .

It is a cyclic number.

It is not a de Polignac number, because 230153933 - 2² = 230153929 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 230153896 and 230153905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230153233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115076966 + 115076967.

It is an arithmetic number, because the mean of its divisors is an integer number (115076967).

Almost surely, 2^230153933 is an apocalyptic number.

It is an amenable number.

230153933 is a deficient number, since it is larger than the sum of its proper divisors (1).

230153933 is an equidigital number, since it uses as much as digits as its factorization.

230153933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7290, while the sum is 29.

The square root of 230153933 is about 15170.8250599630. The cubic root of 230153933 is about 612.8292234247.

The spelling of 230153933 in words is "two hundred thirty million, one hundred fifty-three thousand, nine hundred thirty-three".