123212323103 has 2 divisors, whose sum is σ = 123212323104. Its totient is φ = 123212323102.

The previous prime is 123212323093. The next prime is 123212323123. The reversal of 123212323103 is 301323212321.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123212323103 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123212323123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61606161551 + 61606161552.

It is an arithmetic number, because the mean of its divisors is an integer number (61606161552).

Almost surely, 2^123212323103 is an apocalyptic number.

123212323103 is a deficient number, since it is larger than the sum of its proper divisors (1).

123212323103 is an equidigital number, since it uses as much as digits as its factorization.

123212323103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 123212323103 its reverse (301323212321), we get a palindrome (424535535424).

The spelling of 123212323103 in words is "one hundred twenty-three billion, two hundred twelve million, three hundred twenty-three thousand, one hundred three".