23121525532351 has 2 divisors, whose sum is σ = 23121525532352. Its totient is φ = 23121525532350.

The previous prime is 23121525532327. The next prime is 23121525532361. The reversal of 23121525532351 is 15323552512132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23121525532351 - 2¹¹ = 23121525530303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23121525532361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11560762766175 + 11560762766176.

It is an arithmetic number, because the mean of its divisors is an integer number (11560762766176).

Almost surely, 2^{23121525532351} is an apocalyptic number.

23121525532351 is a deficient number, since it is larger than the sum of its proper divisors (1).

23121525532351 is an equidigital number, since it uses as much as digits as its factorization.

23121525532351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 270000, while the sum is 40.

The spelling of 23121525532351 in words is "twenty-three trillion, one hundred twenty-one billion, five hundred twenty-five million, five hundred thirty-two thousand, three hundred fifty-one".