23002420121 has 2 divisors, whose sum is σ = 23002420122. Its totient is φ = 23002420120.

The previous prime is 23002420097. The next prime is 23002420127. The reversal of 23002420121 is 12102420032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22718025625 + 284394496 = 150725^2 + 16864^2 .

It is a cyclic number.

It is not a de Polignac number, because 23002420121 - 2⁶ = 23002420057 is a prime.

It is a super-2 number, since 2×23002420121² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23002420121.

It is not a weakly prime, because it can be changed into another prime (23002420127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11501210060 + 11501210061.

It is an arithmetic number, because the mean of its divisors is an integer number (11501210061).

Almost surely, 2^23002420121 is an apocalyptic number.

It is an amenable number.

23002420121 is a deficient number, since it is larger than the sum of its proper divisors (1).

23002420121 is an equidigital number, since it uses as much as digits as its factorization.

23002420121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 23002420121 its reverse (12102420032), we get a palindrome (35104840153).

The spelling of 23002420121 in words is "twenty-three billion, two million, four hundred twenty thousand, one hundred twenty-one".