123240326003 has 2 divisors, whose sum is σ = 123240326004. Its totient is φ = 123240326002.

The previous prime is 123240325991. The next prime is 123240326009. The reversal of 123240326003 is 300623042321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123240326003 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (123240326009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61620163001 + 61620163002.

It is an arithmetic number, because the mean of its divisors is an integer number (61620163002).

Almost surely, 2^123240326003 is an apocalyptic number.

123240326003 is a deficient number, since it is larger than the sum of its proper divisors (1).

123240326003 is an equidigital number, since it uses as much as digits as its factorization.

123240326003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 123240326003 its reverse (300623042321), we get a palindrome (423863368324).

The spelling of 123240326003 in words is "one hundred twenty-three billion, two hundred forty million, three hundred twenty-six thousand, three".