123441401429 has 2 divisors, whose sum is σ = 123441401430. Its totient is φ = 123441401428.

The previous prime is 123441401401. The next prime is 123441401477. The reversal of 123441401429 is 924104144321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119786594404 + 3654807025 = 346102^2 + 60455^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123441401429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123441401129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61720700714 + 61720700715.

It is an arithmetic number, because the mean of its divisors is an integer number (61720700715).

Almost surely, 2^123441401429 is an apocalyptic number.

It is an amenable number.

123441401429 is a deficient number, since it is larger than the sum of its proper divisors (1).

123441401429 is an equidigital number, since it uses as much as digits as its factorization.

123441401429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 123441401429 in words is "one hundred twenty-three billion, four hundred forty-one million, four hundred one thousand, four hundred twenty-nine".