4321723560431 has 2 divisors, whose sum is σ = 4321723560432. Its totient is φ = 4321723560430.

The previous prime is 4321723560347. The next prime is 4321723560491. The reversal of 4321723560431 is 1340653271234.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4321723560431 - 2²² = 4321719366127 is a prime.

It is a super-2 number, since 2×4321723560431² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4321723560491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2160861780215 + 2160861780216.

It is an arithmetic number, because the mean of its divisors is an integer number (2160861780216).

Almost surely, 2^{4321723560431} is an apocalyptic number.

4321723560431 is a deficient number, since it is larger than the sum of its proper divisors (1).

4321723560431 is an equidigital number, since it uses as much as digits as its factorization.

4321723560431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 41.

The spelling of 4321723560431 in words is "four trillion, three hundred twenty-one billion, seven hundred twenty-three million, five hundred sixty thousand, four hundred thirty-one".