1313026423 has 2 divisors, whose sum is σ = 1313026424. Its totient is φ = 1313026422.

The previous prime is 1313026381. The next prime is 1313026459. The reversal of 1313026423 is 3246203131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1313026423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1313026723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656513211 + 656513212.

It is an arithmetic number, because the mean of its divisors is an integer number (656513212).

Almost surely, 2^1313026423 is an apocalyptic number.

1313026423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313026423 is an equidigital number, since it uses as much as digits as its factorization.

1313026423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 1313026423 is about 36235.7064647566. The cubic root of 1313026423 is about 1095.0261450636.

Adding to 1313026423 its reverse (3246203131), we get a palindrome (4559229554).

The spelling of 1313026423 in words is "one billion, three hundred thirteen million, twenty-six thousand, four hundred twenty-three".