234199321 has 2 divisors, whose sum is σ = 234199322. Its totient is φ = 234199320.

The previous prime is 234199291. The next prime is 234199333. The reversal of 234199321 is 123991432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 186049600 + 48149721 = 13640^2 + 6939^2 .

It is a cyclic number.

It is not a de Polignac number, because 234199321 - 2¹¹ = 234197273 is a prime.

It is a super-2 number, since 2×234199321² = 109698643913722082, which contains 22 as substring.

It is equal to p_12860368 and since 234199321 and 12860368 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (234199351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117099660 + 117099661.

It is an arithmetic number, because the mean of its divisors is an integer number (117099661).

Almost surely, 2^234199321 is an apocalyptic number.

It is an amenable number.

234199321 is a deficient number, since it is larger than the sum of its proper divisors (1).

234199321 is an equidigital number, since it uses as much as digits as its factorization.

234199321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 34.

The square root of 234199321 is about 15303.5721646941. The cubic root of 234199321 is about 616.3989314827.

The spelling of 234199321 in words is "two hundred thirty-four million, one hundred ninety-nine thousand, three hundred twenty-one".