234315997 has 2 divisors, whose sum is σ = 234315998. Its totient is φ = 234315996.

The previous prime is 234315979. The next prime is 234316007. The reversal of 234315997 is 799513432.

Together with previous prime (234315979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 221741881 + 12574116 = 14891^2 + 3546^2 .

It is a cyclic number.

It is not a de Polignac number, because 234315997 - 2¹⁹ = 233791709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234315197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117157998 + 117157999.

It is an arithmetic number, because the mean of its divisors is an integer number (117157999).

Almost surely, 2^234315997 is an apocalyptic number.

It is an amenable number.

234315997 is a deficient number, since it is larger than the sum of its proper divisors (1).

234315997 is an equidigital number, since it uses as much as digits as its factorization.

234315997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 204120, while the sum is 43.

The square root of 234315997 is about 15307.3837411884. The cubic root of 234315997 is about 616.5012759609.

The spelling of 234315997 in words is "two hundred thirty-four million, three hundred fifteen thousand, nine hundred ninety-seven".