123230223811 has 2 divisors, whose sum is σ = 123230223812. Its totient is φ = 123230223810.

The previous prime is 123230223803. The next prime is 123230223871. The reversal of 123230223811 is 118322032321.

It is a weak prime.

It is an emirp because it is prime and its reverse (118322032321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123230223811 - 2³ = 123230223803 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123230223811.

It is not a weakly prime, because it can be changed into another prime (123230223871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61615111905 + 61615111906.

It is an arithmetic number, because the mean of its divisors is an integer number (61615111906).

Almost surely, 2^123230223811 is an apocalyptic number.

123230223811 is a deficient number, since it is larger than the sum of its proper divisors (1).

123230223811 is an equidigital number, since it uses as much as digits as its factorization.

123230223811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 123230223811 in words is "one hundred twenty-three billion, two hundred thirty million, two hundred twenty-three thousand, eight hundred eleven".