232401423257 has 2 divisors, whose sum is σ = 232401423258. Its totient is φ = 232401423256.

The previous prime is 232401423211. The next prime is 232401423271. The reversal of 232401423257 is 752324104232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 190483365136 + 41918058121 = 436444^2 + 204739^2 .

It is a cyclic number.

It is not a de Polignac number, because 232401423257 - 2¹⁰ = 232401422233 is a prime.

It is not a weakly prime, because it can be changed into another prime (232401423857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116200711628 + 116200711629.

It is an arithmetic number, because the mean of its divisors is an integer number (116200711629).

Almost surely, 2^232401423257 is an apocalyptic number.

It is an amenable number.

232401423257 is a deficient number, since it is larger than the sum of its proper divisors (1).

232401423257 is an equidigital number, since it uses as much as digits as its factorization.

232401423257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 35.

Adding to 232401423257 its reverse (752324104232), we get a palindrome (984725527489).

The spelling of 232401423257 in words is "two hundred thirty-two billion, four hundred one million, four hundred twenty-three thousand, two hundred fifty-seven".