431673023701 has 2 divisors, whose sum is σ = 431673023702. Its totient is φ = 431673023700.

The previous prime is 431673023689. The next prime is 431673023707. The reversal of 431673023701 is 107320376134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 337177648900 + 94495374801 = 580670^2 + 307401^2 .

It is a cyclic number.

It is not a de Polignac number, because 431673023701 - 2¹¹ = 431673021653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431673023707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215836511850 + 215836511851.

It is an arithmetic number, because the mean of its divisors is an integer number (215836511851).

Almost surely, 2^431673023701 is an apocalyptic number.

It is an amenable number.

431673023701 is a deficient number, since it is larger than the sum of its proper divisors (1).

431673023701 is an equidigital number, since it uses as much as digits as its factorization.

431673023701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 37.

Adding to 431673023701 its reverse (107320376134), we get a palindrome (538993399835).

The spelling of 431673023701 in words is "four hundred thirty-one billion, six hundred seventy-three million, twenty-three thousand, seven hundred one".