424143123029 has 2 divisors, whose sum is σ = 424143123030. Its totient is φ = 424143123028.

The previous prime is 424143123017. The next prime is 424143123043. The reversal of 424143123029 is 920321341424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 415470484900 + 8672638129 = 644570^2 + 93127^2 .

It is a cyclic number.

It is not a de Polignac number, because 424143123029 - 2¹⁶ = 424143057493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 424143123029.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424143923029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212071561514 + 212071561515.

It is an arithmetic number, because the mean of its divisors is an integer number (212071561515).

Almost surely, 2^424143123029 is an apocalyptic number.

It is an amenable number.

424143123029 is a deficient number, since it is larger than the sum of its proper divisors (1).

424143123029 is an equidigital number, since it uses as much as digits as its factorization.

424143123029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 424143123029 in words is "four hundred twenty-four billion, one hundred forty-three million, one hundred twenty-three thousand, twenty-nine".