1025431513423 has 2 divisors, whose sum is σ = 1025431513424. Its totient is φ = 1025431513422.

The previous prime is 1025431513363. The next prime is 1025431513433. The reversal of 1025431513423 is 3243151345201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1025431513423 - 2¹⁷ = 1025431382351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1025431513433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512715756711 + 512715756712.

It is an arithmetic number, because the mean of its divisors is an integer number (512715756712).

Almost surely, 2^{1025431513423} is an apocalyptic number.

1025431513423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025431513423 is an equidigital number, since it uses as much as digits as its factorization.

1025431513423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 1025431513423 its reverse (3243151345201), we get a palindrome (4268582858624).

The spelling of 1025431513423 in words is "one trillion, twenty-five billion, four hundred thirty-one million, five hundred thirteen thousand, four hundred twenty-three".