12154616323 has 2 divisors, whose sum is σ = 12154616324. Its totient is φ = 12154616322.

The previous prime is 12154616303. The next prime is 12154616333. The reversal of 12154616323 is 32361645121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12154616323 - 2²⁵ = 12121061891 is a prime.

It is not a weakly prime, because it can be changed into another prime (12154616303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6077308161 + 6077308162.

It is an arithmetic number, because the mean of its divisors is an integer number (6077308162).

Almost surely, 2^12154616323 is an apocalyptic number.

12154616323 is a deficient number, since it is larger than the sum of its proper divisors (1).

12154616323 is an equidigital number, since it uses as much as digits as its factorization.

12154616323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 34.

The spelling of 12154616323 in words is "twelve billion, one hundred fifty-four million, six hundred sixteen thousand, three hundred twenty-three".