123231121303 has 2 divisors, whose sum is σ = 123231121304. Its totient is φ = 123231121302.

The previous prime is 123231121301. The next prime is 123231121309. The reversal of 123231121303 is 303121132321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123231121303 - 2¹ = 123231121301 is a prime.

Together with 123231121301, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123231121301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61615560651 + 61615560652.

It is an arithmetic number, because the mean of its divisors is an integer number (61615560652).

Almost surely, 2^123231121303 is an apocalyptic number.

123231121303 is a deficient number, since it is larger than the sum of its proper divisors (1).

123231121303 is an equidigital number, since it uses as much as digits as its factorization.

123231121303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 123231121303 its reverse (303121132321), we get a palindrome (426352253624).

The spelling of 123231121303 in words is "one hundred twenty-three billion, two hundred thirty-one million, one hundred twenty-one thousand, three hundred three".