123012300223 has 2 divisors, whose sum is σ = 123012300224. Its totient is φ = 123012300222.

The previous prime is 123012300209. The next prime is 123012300259. The reversal of 123012300223 is 322003210321.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123012300223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123012300223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123012300023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61506150111 + 61506150112.

It is an arithmetic number, because the mean of its divisors is an integer number (61506150112).

Almost surely, 2^123012300223 is an apocalyptic number.

123012300223 is a deficient number, since it is larger than the sum of its proper divisors (1).

123012300223 is an equidigital number, since it uses as much as digits as its factorization.

123012300223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 123012300223 its reverse (322003210321), we get a palindrome (445015510544).

The spelling of 123012300223 in words is "one hundred twenty-three billion, twelve million, three hundred thousand, two hundred twenty-three".