431425040023 has 2 divisors, whose sum is σ = 431425040024. Its totient is φ = 431425040022.

The previous prime is 431425039957. The next prime is 431425040047. The reversal of 431425040023 is 320040524134.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 431425040023 - 2¹³ = 431425031831 is a prime.

It is a super-2 number, since 2×431425040023² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 431425039973 and 431425040000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431425040923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215712520011 + 215712520012.

It is an arithmetic number, because the mean of its divisors is an integer number (215712520012).

Almost surely, 2^431425040023 is an apocalyptic number.

431425040023 is a deficient number, since it is larger than the sum of its proper divisors (1).

431425040023 is an equidigital number, since it uses as much as digits as its factorization.

431425040023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 431425040023 its reverse (320040524134), we get a palindrome (751465564157).

The spelling of 431425040023 in words is "four hundred thirty-one billion, four hundred twenty-five million, forty thousand, twenty-three".