234442129 has 2 divisors, whose sum is σ = 234442130. Its totient is φ = 234442128.

The previous prime is 234442123. The next prime is 234442133. The reversal of 234442129 is 921244432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 205979904 + 28462225 = 14352^2 + 5335^2 .

It is a cyclic number.

It is not a de Polignac number, because 234442129 - 2⁷ = 234442001 is a prime.

It is a super-2 number, since 2×234442129² = 109926223700105282, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 234442129.

It is not a weakly prime, because it can be changed into another prime (234442123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117221064 + 117221065.

It is an arithmetic number, because the mean of its divisors is an integer number (117221065).

Almost surely, 2^234442129 is an apocalyptic number.

It is an amenable number.

234442129 is a deficient number, since it is larger than the sum of its proper divisors (1).

234442129 is an equidigital number, since it uses as much as digits as its factorization.

234442129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 31.

The square root of 234442129 is about 15311.5031593897. The cubic root of 234442129 is about 616.6118767327.

The spelling of 234442129 in words is "two hundred thirty-four million, four hundred forty-two thousand, one hundred twenty-nine".