234433137397 has 2 divisors, whose sum is σ = 234433137398. Its totient is φ = 234433137396.

The previous prime is 234433137349. The next prime is 234433137403. The reversal of 234433137397 is 793731334432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141587390961 + 92845746436 = 376281^2 + 304706^2 .

It is a cyclic number.

It is not a de Polignac number, because 234433137397 - 2²⁷ = 234298919669 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 234433137397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234433137317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117216568698 + 117216568699.

It is an arithmetic number, because the mean of its divisors is an integer number (117216568699).

Almost surely, 2^234433137397 is an apocalyptic number.

It is an amenable number.

234433137397 is a deficient number, since it is larger than the sum of its proper divisors (1).

234433137397 is an equidigital number, since it uses as much as digits as its factorization.

234433137397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3429216, while the sum is 49.

The spelling of 234433137397 in words is "two hundred thirty-four billion, four hundred thirty-three million, one hundred thirty-seven thousand, three hundred ninety-seven".