12023503447 has 2 divisors, whose sum is σ = 12023503448. Its totient is φ = 12023503446.

The previous prime is 12023503423. The next prime is 12023503469. The reversal of 12023503447 is 74430532021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12023503447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12023503477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6011751723 + 6011751724.

It is an arithmetic number, because the mean of its divisors is an integer number (6011751724).

Almost surely, 2^12023503447 is an apocalyptic number.

12023503447 is a deficient number, since it is larger than the sum of its proper divisors (1).

12023503447 is an equidigital number, since it uses as much as digits as its factorization.

12023503447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 31.

The spelling of 12023503447 in words is "twelve billion, twenty-three million, five hundred three thousand, four hundred forty-seven".