12277732423 has 24 divisors (see below), whose sum is σ = 13936538000. Its totient is φ = 10801486080.

The previous prime is 12277732409. The next prime is 12277732427. The reversal of 12277732423 is 32423777221.

It is not a de Polignac number, because 12277732423 - 2⁹ = 12277731911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12277732427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 556303 + ... + 577951.

Almost surely, 2^12277732423 is an apocalyptic number.

12277732423 is a deficient number, since it is larger than the sum of its proper divisors (1658805577).

12277732423 is a wasteful number, since it uses less digits than its factorization.

12277732423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21823 (or 21812 counting only the distinct ones).

The product of its digits is 197568, while the sum is 40.

The spelling of 12277732423 in words is "twelve billion, two hundred seventy-seven million, seven hundred thirty-two thousand, four hundred twenty-three".