123233111149 has 2 divisors, whose sum is σ = 123233111150. Its totient is φ = 123233111148.

The previous prime is 123233111083. The next prime is 123233111171. The reversal of 123233111149 is 941111332321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64399212900 + 58833898249 = 253770^2 + 242557^2 .

It is a cyclic number.

It is not a de Polignac number, because 123233111149 - 2⁷ = 123233111021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123233111149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123233111179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61616555574 + 61616555575.

It is an arithmetic number, because the mean of its divisors is an integer number (61616555575).

Almost surely, 2^123233111149 is an apocalyptic number.

It is an amenable number.

123233111149 is a deficient number, since it is larger than the sum of its proper divisors (1).

123233111149 is an equidigital number, since it uses as much as digits as its factorization.

123233111149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 31.

The spelling of 123233111149 in words is "one hundred twenty-three billion, two hundred thirty-three million, one hundred eleven thousand, one hundred forty-nine".