12403034423 has 16 divisors (see below), whose sum is σ = 13739421696. Its totient is φ = 11124056160.

The previous prime is 12403034417. The next prime is 12403034431. The reversal of 12403034423 is 32443030421.

It is a cyclic number.

It is not a de Polignac number, because 12403034423 - 2⁶ = 12403034359 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12403034392 and 12403034401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12403034473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48686 + ... + 164852.

It is an arithmetic number, because the mean of its divisors is an integer number (858713856).

Almost surely, 2^12403034423 is an apocalyptic number.

12403034423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12403034423 is a deficient number, since it is larger than the sum of its proper divisors (1336387273).

12403034423 is a wasteful number, since it uses less digits than its factorization.

12403034423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116414.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 12403034423 its reverse (32443030421), we get a palindrome (44846064844).

The spelling of 12403034423 in words is "twelve billion, four hundred three million, thirty-four thousand, four hundred twenty-three".