230020039 has 2 divisors, whose sum is σ = 230020040. Its totient is φ = 230020038.

The previous prime is 230020003. The next prime is 230020067. The reversal of 230020039 is 930020032.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230020039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 230019998 and 230020025.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230020139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115010019 + 115010020.

It is an arithmetic number, because the mean of its divisors is an integer number (115010020).

Almost surely, 2^230020039 is an apocalyptic number.

230020039 is a deficient number, since it is larger than the sum of its proper divisors (1).

230020039 is an equidigital number, since it uses as much as digits as its factorization.

230020039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 230020039 is about 15166.4115399787. The cubic root of 230020039 is about 612.7103608414.

The spelling of 230020039 in words is "two hundred thirty million, twenty thousand, thirty-nine".