12243023156123 has 2 divisors, whose sum is σ = 12243023156124. Its totient is φ = 12243023156122.

The previous prime is 12243023156107. The next prime is 12243023156141. The reversal of 12243023156123 is 32165132034221.

12243023156123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12243023156123 - 2⁴ = 12243023156107 is a prime.

It is a super-2 number, since 2×12243023156123² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12243023156173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6121511578061 + 6121511578062.

It is an arithmetic number, because the mean of its divisors is an integer number (6121511578062).

Almost surely, 2^{12243023156123} is an apocalyptic number.

12243023156123 is a deficient number, since it is larger than the sum of its proper divisors (1).

12243023156123 is an equidigital number, since it uses as much as digits as its factorization.

12243023156123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 12243023156123 in words is "twelve trillion, two hundred forty-three billion, twenty-three million, one hundred fifty-six thousand, one hundred twenty-three".