230201121101957 has 2 divisors, whose sum is σ = 230201121101958. Its totient is φ = 230201121101956.

The previous prime is 230201121101953. The next prime is 230201121102077. The reversal of 230201121101957 is 759101121102032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197798318118241 + 32402802983716 = 14064079^2 + 5692346^2 .

It is a cyclic number.

It is not a de Polignac number, because 230201121101957 - 2² = 230201121101953 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230201121101953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115100560550978 + 115100560550979.

It is an arithmetic number, because the mean of its divisors is an integer number (115100560550979).

Almost surely, 2^{230201121101957} is an apocalyptic number.

It is an amenable number.

230201121101957 is a deficient number, since it is larger than the sum of its proper divisors (1).

230201121101957 is an equidigital number, since it uses as much as digits as its factorization.

230201121101957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 35.

Adding to 230201121101957 its reverse (759101121102032), we get a palindrome (989302242203989).

The spelling of 230201121101957 in words is "two hundred thirty trillion, two hundred one billion, one hundred twenty-one million, one hundred one thousand, nine hundred fifty-seven".