123321011039 has 2 divisors, whose sum is σ = 123321011040. Its totient is φ = 123321011038.

The previous prime is 123321011029. The next prime is 123321011069. The reversal of 123321011039 is 930110123321.

It is a weak prime.

It is an emirp because it is prime and its reverse (930110123321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123321011039 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 123321010999 and 123321011017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123321011029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61660505519 + 61660505520.

It is an arithmetic number, because the mean of its divisors is an integer number (61660505520).

Almost surely, 2^123321011039 is an apocalyptic number.

123321011039 is a deficient number, since it is larger than the sum of its proper divisors (1).

123321011039 is an equidigital number, since it uses as much as digits as its factorization.

123321011039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 26.

The spelling of 123321011039 in words is "one hundred twenty-three billion, three hundred twenty-one million, eleven thousand, thirty-nine".