123321019007 has 2 divisors, whose sum is σ = 123321019008. Its totient is φ = 123321019006.

The previous prime is 123321019001. The next prime is 123321019009. The reversal of 123321019007 is 700910123321.

It is a strong prime.

It is an emirp because it is prime and its reverse (700910123321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123321019007 - 2⁶ = 123321018943 is a prime.

Together with 123321019009, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123321019001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61660509503 + 61660509504.

It is an arithmetic number, because the mean of its divisors is an integer number (61660509504).

Almost surely, 2^123321019007 is an apocalyptic number.

123321019007 is a deficient number, since it is larger than the sum of its proper divisors (1).

123321019007 is an equidigital number, since it uses as much as digits as its factorization.

123321019007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 29.

The spelling of 123321019007 in words is "one hundred twenty-three billion, three hundred twenty-one million, nineteen thousand, seven".