12021583246423 has 2 divisors, whose sum is σ = 12021583246424. Its totient is φ = 12021583246422.

The previous prime is 12021583246399. The next prime is 12021583246427. The reversal of 12021583246423 is 32464238512021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12021583246423 - 2⁵ = 12021583246391 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12021583246423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12021583246427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010791623211 + 6010791623212.

It is an arithmetic number, because the mean of its divisors is an integer number (6010791623212).

Almost surely, 2^{12021583246423} is an apocalyptic number.

12021583246423 is a deficient number, since it is larger than the sum of its proper divisors (1).

12021583246423 is an equidigital number, since it uses as much as digits as its factorization.

12021583246423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 552960, while the sum is 43.

The spelling of 12021583246423 in words is "twelve trillion, twenty-one billion, five hundred eighty-three million, two hundred forty-six thousand, four hundred twenty-three".