113221838623 has 2 divisors, whose sum is σ = 113221838624. Its totient is φ = 113221838622.

The previous prime is 113221838621. The next prime is 113221838629. The reversal of 113221838623 is 326838122311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113221838623 - 2¹ = 113221838621 is a prime.

It is a super-3 number, since 3×113221838623³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 113221838621, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113221838621) 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, 56610919311 + 56610919312.

It is an arithmetic number, because the mean of its divisors is an integer number (56610919312).

Almost surely, 2^113221838623 is an apocalyptic number.

113221838623 is a deficient number, since it is larger than the sum of its proper divisors (1).

113221838623 is an equidigital number, since it uses as much as digits as its factorization.

113221838623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 40.

The spelling of 113221838623 in words is "one hundred thirteen billion, two hundred twenty-one million, eight hundred thirty-eight thousand, six hundred twenty-three".