122561233983 has 36 divisors (see below), whose sum is σ = 185658993624. Its totient is φ = 77891220000.

The previous prime is 122561233981. The next prime is 122561233987. The reversal of 122561233983 is 389332165221.

122561233983 is a `hidden beast` number, since 1 + 2 + 2 + 561 + 2 + 3 + 3 + 9 + 83 = 666.

It is not a de Polignac number, because 122561233983 - 2¹ = 122561233981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122561233981) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 473733 + ... + 685233.

Almost surely, 2^122561233983 is an apocalyptic number.

122561233983 is a deficient number, since it is larger than the sum of its proper divisors (63097759641).

122561233983 is a wasteful number, since it uses less digits than its factorization.

122561233983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211636 (or 211602 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The spelling of 122561233983 in words is "one hundred twenty-two billion, five hundred sixty-one million, two hundred thirty-three thousand, nine hundred eighty-three".