123321203306947 has 2 divisors, whose sum is σ = 123321203306948. Its totient is φ = 123321203306946.

The previous prime is 123321203306891. The next prime is 123321203306989. The reversal of 123321203306947 is 749603302123321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123321203306947 - 2³⁹ = 122771447493059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123321203306897 and 123321203306906.

It is not a weakly prime, because it can be changed into another prime (123321203307947) 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, 61660601653473 + 61660601653474.

It is an arithmetic number, because the mean of its divisors is an integer number (61660601653474).

Almost surely, 2^{123321203306947} is an apocalyptic number.

123321203306947 is a deficient number, since it is larger than the sum of its proper divisors (1).

123321203306947 is an equidigital number, since it uses as much as digits as its factorization.

123321203306947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 979776, while the sum is 46.

The spelling of 123321203306947 in words is "one hundred twenty-three trillion, three hundred twenty-one billion, two hundred three million, three hundred six thousand, nine hundred forty-seven".