12354513423 has 12 divisors (see below), whose sum is σ = 19162102680. Its totient is φ = 7059721872.

The previous prime is 12354513407. The next prime is 12354513433. The reversal of 12354513423 is 32431545321.

It is not a de Polignac number, because 12354513423 - 2⁴ = 12354513407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12354513433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42022008 + ... + 42022301.

It is an arithmetic number, because the mean of its divisors is an integer number (1596841890).

Almost surely, 2^12354513423 is an apocalyptic number.

12354513423 is a deficient number, since it is larger than the sum of its proper divisors (6807589257).

12354513423 is an equidigital number, since it uses as much as digits as its factorization.

12354513423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84044326 (or 84044319 counting only the distinct ones).

The product of its digits is 43200, while the sum is 33.

The spelling of 12354513423 in words is "twelve billion, three hundred fifty-four million, five hundred thirteen thousand, four hundred twenty-three".