12514534423 has 4 divisors (see below), whose sum is σ = 12750657768. Its totient is φ = 12278411080.

The previous prime is 12514534399. The next prime is 12514534441. The reversal of 12514534423 is 32443541521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32443541521 = 67 ⋅484231963.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12514534423 is a prime.

It is a super-2 number, since 2×12514534423² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12514534463) 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, 118061593 + ... + 118061698.

It is an arithmetic number, because the mean of its divisors is an integer number (3187664442).

Almost surely, 2^12514534423 is an apocalyptic number.

12514534423 is a deficient number, since it is larger than the sum of its proper divisors (236123345).

12514534423 is an equidigital number, since it uses as much as digits as its factorization.

12514534423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236123344.

The product of its digits is 57600, while the sum is 34.

The spelling of 12514534423 in words is "twelve billion, five hundred fourteen million, five hundred thirty-four thousand, four hundred twenty-three".