123001212223 has 2 divisors, whose sum is σ = 123001212224. Its totient is φ = 123001212222.

The previous prime is 123001212167. The next prime is 123001212227. The reversal of 123001212223 is 322212100321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123001212223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123001212223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123001212227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61500606111 + 61500606112.

It is an arithmetic number, because the mean of its divisors is an integer number (61500606112).

Almost surely, 2^123001212223 is an apocalyptic number.

123001212223 is a deficient number, since it is larger than the sum of its proper divisors (1).

123001212223 is an equidigital number, since it uses as much as digits as its factorization.

123001212223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 123001212223 its reverse (322212100321), we get a palindrome (445213312544).

The spelling of 123001212223 in words is "one hundred twenty-three billion, one million, two hundred twelve thousand, two hundred twenty-three".