12353437387 has 4 divisors (see below), whose sum is σ = 12555952816. Its totient is φ = 12150921960.

The previous prime is 12353437339. The next prime is 12353437403. The reversal of 12353437387 is 78373435321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78373435321 = 1187 ⋅66026483.

It is a cyclic number.

It is not a de Polignac number, because 12353437387 - 2⁷ = 12353437259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12353437687) 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, 101257623 + ... + 101257744.

It is an arithmetic number, because the mean of its divisors is an integer number (3138988204).

Almost surely, 2^12353437387 is an apocalyptic number.

12353437387 is a deficient number, since it is larger than the sum of its proper divisors (202515429).

12353437387 is an equidigital number, since it uses as much as digits as its factorization.

12353437387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202515428.

The product of its digits is 1270080, while the sum is 46.

The spelling of 12353437387 in words is "twelve billion, three hundred fifty-three million, four hundred thirty-seven thousand, three hundred eighty-seven".