23321817151 has 2 divisors, whose sum is σ = 23321817152. Its totient is φ = 23321817150.

The previous prime is 23321817143. The next prime is 23321817157. The reversal of 23321817151 is 15171812332.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23321817151 - 2³ = 23321817143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23321817157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11660908575 + 11660908576.

It is an arithmetic number, because the mean of its divisors is an integer number (11660908576).

Almost surely, 2^23321817151 is an apocalyptic number.

23321817151 is a deficient number, since it is larger than the sum of its proper divisors (1).

23321817151 is an equidigital number, since it uses as much as digits as its factorization.

23321817151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 34.

It can be divided in two parts, 2332181 and 7151, that added together give a palindrome (2339332).

The spelling of 23321817151 in words is "twenty-three billion, three hundred twenty-one million, eight hundred seventeen thousand, one hundred fifty-one".