123441554429 has 2 divisors, whose sum is σ = 123441554430. Its totient is φ = 123441554428.

The previous prime is 123441554417. The next prime is 123441554441. The reversal of 123441554429 is 924455144321.

It is a balanced prime because it is at equal distance from previous prime (123441554417) and next prime (123441554441).

It can be written as a sum of positive squares in only one way, i.e., 103618322404 + 19823232025 = 321898^2 + 140795^2 .

It is a cyclic number.

It is not a de Polignac number, because 123441554429 - 2²⁴ = 123424777213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123441554429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123441514429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61720777214 + 61720777215.

It is an arithmetic number, because the mean of its divisors is an integer number (61720777215).

Almost surely, 2^123441554429 is an apocalyptic number.

It is an amenable number.

123441554429 is a deficient number, since it is larger than the sum of its proper divisors (1).

123441554429 is an equidigital number, since it uses as much as digits as its factorization.

123441554429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 691200, while the sum is 44.

The spelling of 123441554429 in words is "one hundred twenty-three billion, four hundred forty-one million, five hundred fifty-four thousand, four hundred twenty-nine".