234403404397 has 2 divisors, whose sum is σ = 234403404398. Its totient is φ = 234403404396.

The previous prime is 234403404331. The next prime is 234403404427. The reversal of 234403404397 is 793404304432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 208859054121 + 25544350276 = 457011^2 + 159826^2 .

It is a cyclic number.

It is not a de Polignac number, because 234403404397 - 2¹⁹ = 234402880109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234403404797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117201702198 + 117201702199.

It is an arithmetic number, because the mean of its divisors is an integer number (117201702199).

Almost surely, 2^234403404397 is an apocalyptic number.

It is an amenable number.

234403404397 is a deficient number, since it is larger than the sum of its proper divisors (1).

234403404397 is an equidigital number, since it uses as much as digits as its factorization.

234403404397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 43.

The spelling of 234403404397 in words is "two hundred thirty-four billion, four hundred three million, four hundred four thousand, three hundred ninety-seven".