12423463534 has 8 divisors (see below), whose sum is σ = 18701513568. Its totient is φ = 6189625680.

The previous prime is 12423463511. The next prime is 12423463567. The reversal of 12423463534 is 43536432421.

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

It is a junction number, because it is equal to n+sod(n) for n = 12423463493 and 12423463502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11052342 + ... + 11053465.

It is an arithmetic number, because the mean of its divisors is an integer number (2337689196).

Almost surely, 2^12423463534 is an apocalyptic number.

12423463534 is a deficient number, since it is larger than the sum of its proper divisors (6278050034).

12423463534 is a wasteful number, since it uses less digits than its factorization.

12423463534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22106090.

The product of its digits is 207360, while the sum is 37.

Adding to 12423463534 its reverse (43536432421), we get a palindrome (55959895955).

The spelling of 12423463534 in words is "twelve billion, four hundred twenty-three million, four hundred sixty-three thousand, five hundred thirty-four".