234229939 has 2 divisors, whose sum is σ = 234229940. Its totient is φ = 234229938.

The previous prime is 234229889. The next prime is 234229969. The reversal of 234229939 is 939922432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 234229939 - 2⁹ = 234229427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 234229895 and 234229904.

It is not a weakly prime, because it can be changed into another prime (234229969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117114969 + 117114970.

It is an arithmetic number, because the mean of its divisors is an integer number (117114970).

Almost surely, 2^234229939 is an apocalyptic number.

234229939 is a deficient number, since it is larger than the sum of its proper divisors (1).

234229939 is an equidigital number, since it uses as much as digits as its factorization.

234229939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 209952, while the sum is 43.

The square root of 234229939 is about 15304.5724866786. The cubic root of 234229939 is about 616.4257919080.

The spelling of 234229939 in words is "two hundred thirty-four million, two hundred twenty-nine thousand, nine hundred thirty-nine".