210230399 has 2 divisors, whose sum is σ = 210230400. Its totient is φ = 210230398.

The previous prime is 210230341. The next prime is 210230407. The reversal of 210230399 is 993032012.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210230399 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210230099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105115199 + 105115200.

It is an arithmetic number, because the mean of its divisors is an integer number (105115200).

Almost surely, 2^210230399 is an apocalyptic number.

210230399 is a deficient number, since it is larger than the sum of its proper divisors (1).

210230399 is an equidigital number, since it uses as much as digits as its factorization.

210230399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 210230399 is about 14499.3240876946. The cubic root of 210230399 is about 594.6094926009.

The spelling of 210230399 in words is "two hundred ten million, two hundred thirty thousand, three hundred ninety-nine".