123983732231 has 2 divisors, whose sum is σ = 123983732232. Its totient is φ = 123983732230.

The previous prime is 123983732221. The next prime is 123983732251. The reversal of 123983732231 is 132237389321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123983732231 - 2⁶ = 123983732167 is a prime.

It is a super-2 number, since 2×123983732231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123983732221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61991866115 + 61991866116.

It is an arithmetic number, because the mean of its divisors is an integer number (61991866116).

Almost surely, 2^123983732231 is an apocalyptic number.

123983732231 is a deficient number, since it is larger than the sum of its proper divisors (1).

123983732231 is an equidigital number, since it uses as much as digits as its factorization.

123983732231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 44.

The spelling of 123983732231 in words is "one hundred twenty-three billion, nine hundred eighty-three million, seven hundred thirty-two thousand, two hundred thirty-one".