20231522413939 has 2 divisors, whose sum is σ = 20231522413940. Its totient is φ = 20231522413938.

The previous prime is 20231522413933. The next prime is 20231522414011. The reversal of 20231522413939 is 93931422513202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20231522413939 - 2³ = 20231522413931 is a prime.

It is a super-2 number, since 2×20231522413939² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20231522413931) 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, 10115761206969 + 10115761206970.

It is an arithmetic number, because the mean of its divisors is an integer number (10115761206970).

Almost surely, 2^{20231522413939} is an apocalyptic number.

20231522413939 is a deficient number, since it is larger than the sum of its proper divisors (1).

20231522413939 is an equidigital number, since it uses as much as digits as its factorization.

20231522413939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 699840, while the sum is 46.

The spelling of 20231522413939 in words is "twenty trillion, two hundred thirty-one billion, five hundred twenty-two million, four hundred thirteen thousand, nine hundred thirty-nine".