13423400031 has 8 divisors (see below), whose sum is σ = 18062067760. Its totient is φ = 8866832832.

The previous prime is 13423400021. The next prime is 13423400033. The reversal of 13423400031 is 13000432431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13423400031 - 2⁹ = 13423399519 is a prime.

It is a super-2 number, since 2×13423400031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13423399980 and 13423400007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13423400033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20524750 + ... + 20525403.

It is an arithmetic number, because the mean of its divisors is an integer number (2257758470).

Almost surely, 2^13423400031 is an apocalyptic number.

13423400031 is a deficient number, since it is larger than the sum of its proper divisors (4638667729).

13423400031 is a wasteful number, since it uses less digits than its factorization.

13423400031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41050265.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 13423400031 its reverse (13000432431), we get a palindrome (26423832462).

The spelling of 13423400031 in words is "thirteen billion, four hundred twenty-three million, four hundred thousand, thirty-one".