123321010039 has 2 divisors, whose sum is σ = 123321010040. Its totient is φ = 123321010038.

The previous prime is 123321009941. The next prime is 123321010073. The reversal of 123321010039 is 930010123321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123321010039 - 2¹⁹ = 123320485751 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123321009995 and 123321010022.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123321011039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61660505019 + 61660505020.

It is an arithmetic number, because the mean of its divisors is an integer number (61660505020).

Almost surely, 2^123321010039 is an apocalyptic number.

123321010039 is a deficient number, since it is larger than the sum of its proper divisors (1).

123321010039 is an equidigital number, since it uses as much as digits as its factorization.

123321010039 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 25.

The spelling of 123321010039 in words is "one hundred twenty-three billion, three hundred twenty-one million, ten thousand, thirty-nine".