13430231023 has 4 divisors (see below), whose sum is σ = 14651161128. Its totient is φ = 12209300920.

The previous prime is 13430231021. The next prime is 13430231033. The reversal of 13430231023 is 32013203431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13430231023 - 2¹ = 13430231021 is a prime.

It is a super-2 number, since 2×13430231023² (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 = 13430230985 and 13430231003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13430231021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610465036 + ... + 610465057.

It is an arithmetic number, because the mean of its divisors is an integer number (3662790282).

Almost surely, 2^13430231023 is an apocalyptic number.

13430231023 is a deficient number, since it is larger than the sum of its proper divisors (1220930105).

13430231023 is a wasteful number, since it uses less digits than its factorization.

13430231023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220930104.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 13430231023 its reverse (32013203431), we get a palindrome (45443434454).

The spelling of 13430231023 in words is "thirteen billion, four hundred thirty million, two hundred thirty-one thousand, twenty-three".