12423653567 has 12 divisors (see below), whose sum is σ = 14244178320. Its totient is φ = 10793397888.

The previous prime is 12423653551. The next prime is 12423653579. The reversal of 12423653567 is 76535632421.

It is not a de Polignac number, because 12423653567 - 2⁴ = 12423653551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12423653587) 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, 2159267 + ... + 2165012.

It is an arithmetic number, because the mean of its divisors is an integer number (1187014860).

Almost surely, 2^12423653567 is an apocalyptic number.

12423653567 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12423653567 is a deficient number, since it is larger than the sum of its proper divisors (1820524753).

12423653567 is a wasteful number, since it uses less digits than its factorization.

12423653567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4324322 (or 4324309 counting only the distinct ones).

The product of its digits is 907200, while the sum is 44.

The spelling of 12423653567 in words is "twelve billion, four hundred twenty-three million, six hundred fifty-three thousand, five hundred sixty-seven".