13423011431 has 2 divisors, whose sum is σ = 13423011432. Its totient is φ = 13423011430.

The previous prime is 13423011409. The next prime is 13423011461. The reversal of 13423011431 is 13411032431.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13423011431 is a prime.

It is a super-2 number, since 2×13423011431² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13423011397 and 13423011406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13423011461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6711505715 + 6711505716.

It is an arithmetic number, because the mean of its divisors is an integer number (6711505716).

Almost surely, 2^13423011431 is an apocalyptic number.

13423011431 is a deficient number, since it is larger than the sum of its proper divisors (1).

13423011431 is an equidigital number, since it uses as much as digits as its factorization.

13423011431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 13423011431 its reverse (13411032431), we get a palindrome (26834043862).

The spelling of 13423011431 in words is "thirteen billion, four hundred twenty-three million, eleven thousand, four hundred thirty-one".