23311345238837 has 2 divisors, whose sum is σ = 23311345238838. Its totient is φ = 23311345238836.

The previous prime is 23311345238791. The next prime is 23311345238861. The reversal of 23311345238837 is 73883254311332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19590308096836 + 3721037142001 = 4426094^2 + 1928999^2 .

It is a cyclic number.

It is not a de Polignac number, because 23311345238837 - 2¹⁸ = 23311344976693 is a prime.

It is a super-2 number, since 2×23311345238837² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23311345238537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11655672619418 + 11655672619419.

It is an arithmetic number, because the mean of its divisors is an integer number (11655672619419).

Almost surely, 2^{23311345238837} is an apocalyptic number.

It is an amenable number.

23311345238837 is a deficient number, since it is larger than the sum of its proper divisors (1).

23311345238837 is an equidigital number, since it uses as much as digits as its factorization.

23311345238837 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8709120, while the sum is 53.

The spelling of 23311345238837 in words is "twenty-three trillion, three hundred eleven billion, three hundred forty-five million, two hundred thirty-eight thousand, eight hundred thirty-seven".