24431423231393 has 2 divisors, whose sum is σ = 24431423231394. Its totient is φ = 24431423231392.

The previous prime is 24431423231311. The next prime is 24431423231407. The reversal of 24431423231393 is 39313232413442.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23200858992529 + 1230564238864 = 4816727^2 + 1109308^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24431423231393 is a prime.

It is a super-2 number, since 2×24431423231393² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (24431423231093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12215711615696 + 12215711615697.

It is an arithmetic number, because the mean of its divisors is an integer number (12215711615697).

Almost surely, 2^{24431423231393} is an apocalyptic number.

It is an amenable number.

24431423231393 is a deficient number, since it is larger than the sum of its proper divisors (1).

24431423231393 is an equidigital number, since it uses as much as digits as its factorization.

24431423231393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1119744, while the sum is 44.

The spelling of 24431423231393 in words is "twenty-four trillion, four hundred thirty-one billion, four hundred twenty-three million, two hundred thirty-one thousand, three hundred ninety-three".