123122033291 has 2 divisors, whose sum is σ = 123122033292. Its totient is φ = 123122033290.

The previous prime is 123122033213. The next prime is 123122033297. The reversal of 123122033291 is 192330221321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123122033291 - 2³⁰ = 122048291467 is a prime.

It is a super-2 number, since 2×123122033291² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (123122033297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61561016645 + 61561016646.

It is an arithmetic number, because the mean of its divisors is an integer number (61561016646).

Almost surely, 2^123122033291 is an apocalyptic number.

123122033291 is a deficient number, since it is larger than the sum of its proper divisors (1).

123122033291 is an equidigital number, since it uses as much as digits as its factorization.

123122033291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 123122033291 in words is "one hundred twenty-three billion, one hundred twenty-two million, thirty-three thousand, two hundred ninety-one".