230153999 has 2 divisors, whose sum is σ = 230154000. Its totient is φ = 230153998.

The previous prime is 230153981. The next prime is 230154061. The reversal of 230153999 is 999351032.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230153999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230153929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115076999 + 115077000.

It is an arithmetic number, because the mean of its divisors is an integer number (115077000).

Almost surely, 2^230153999 is an apocalyptic number.

230153999 is a deficient number, since it is larger than the sum of its proper divisors (1).

230153999 is an equidigital number, since it uses as much as digits as its factorization.

230153999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 65610, while the sum is 41.

The square root of 230153999 is about 15170.8272351906. The cubic root of 230153999 is about 612.8292820039.

The spelling of 230153999 in words is "two hundred thirty million, one hundred fifty-three thousand, nine hundred ninety-nine".