12408151523 has 4 divisors (see below), whose sum is σ = 12408389280. Its totient is φ = 12407913768.

The previous prime is 12408151519. The next prime is 12408151549. The reversal of 12408151523 is 32515180421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12408151523 - 2² = 12408151519 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12408151523.

It is not an unprimeable number, because it can be changed into a prime (12408151583) 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, 2840 + ... + 157557.

It is an arithmetic number, because the mean of its divisors is an integer number (3102097320).

Almost surely, 2^12408151523 is an apocalyptic number.

12408151523 is a deficient number, since it is larger than the sum of its proper divisors (237757).

12408151523 is an equidigital number, since it uses as much as digits as its factorization.

12408151523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237756.

The product of its (nonzero) digits is 9600, while the sum is 32.

The spelling of 12408151523 in words is "twelve billion, four hundred eight million, one hundred fifty-one thousand, five hundred twenty-three".