12357623551 has 16 divisors (see below), whose sum is σ = 15519784000. Its totient is φ = 9777456864.

The previous prime is 12357623543. The next prime is 12357623587. The reversal of 12357623551 is 15532675321.

It is a happy number.

It is not a de Polignac number, because 12357623551 - 2³ = 12357623543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12357623951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1381236 + ... + 1390153.

It is an arithmetic number, because the mean of its divisors is an integer number (969986500).

Almost surely, 2^12357623551 is an apocalyptic number.

12357623551 is a deficient number, since it is larger than the sum of its proper divisors (3162160449).

12357623551 is an equidigital number, since it uses as much as digits as its factorization.

12357623551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2771423 (or 2771409 counting only the distinct ones).

The product of its digits is 189000, while the sum is 40.

The spelling of 12357623551 in words is "twelve billion, three hundred fifty-seven million, six hundred twenty-three thousand, five hundred fifty-one".