124023242320421 has 16 divisors (see below), whose sum is σ = 126581414310000. Its totient is φ = 121473190046208.

The previous prime is 124023242320391. The next prime is 124023242320433.

124023242320421 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 8 ways, for example, as 265960929796 + 123757281390625 = 515714^2 + 11124625^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124023242320421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124023242320321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 318607535 + ... + 318996563.

It is an arithmetic number, because the mean of its divisors is an integer number (7911338394375).

Almost surely, 2^{124023242320421} is an apocalyptic number.

It is an amenable number.

124023242320421 is a deficient number, since it is larger than the sum of its proper divisors (2558171989579).

124023242320421 is an equidigital number, since it uses as much as digits as its factorization.

124023242320421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399448.

The product of its (nonzero) digits is 36864, while the sum is 32.

The spelling of 124023242320421 in words is "one hundred twenty-four trillion, twenty-three billion, two hundred forty-two million, three hundred twenty thousand, four hundred twenty-one".