123321983 has 2 divisors, whose sum is σ = 123321984. Its totient is φ = 123321982.

The previous prime is 123321971. The next prime is 123322033. The reversal of 123321983 is 389123321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123321983 - 2⁴ = 123321967 is a prime.

It is a super-2 number, since 2×123321983² = 30416622982104578, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123321943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61660991 + 61660992.

It is an arithmetic number, because the mean of its divisors is an integer number (61660992).

Almost surely, 2^123321983 is an apocalyptic number.

123321983 is a deficient number, since it is larger than the sum of its proper divisors (1).

123321983 is an equidigital number, since it uses as much as digits as its factorization.

123321983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 32.

The square root of 123321983 is about 11105.0431336398. The cubic root of 123321983 is about 497.7525571369.

The spelling of 123321983 in words is "one hundred twenty-three million, three hundred twenty-one thousand, nine hundred eighty-three".