123321023047 has 2 divisors, whose sum is σ = 123321023048. Its totient is φ = 123321023046.

The previous prime is 123321022997. The next prime is 123321023057. The reversal of 123321023047 is 740320123321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123321023047 - 2¹⁹ = 123320498759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123321023057) 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, 61660511523 + 61660511524.

It is an arithmetic number, because the mean of its divisors is an integer number (61660511524).

Almost surely, 2^123321023047 is an apocalyptic number.

123321023047 is a deficient number, since it is larger than the sum of its proper divisors (1).

123321023047 is an equidigital number, since it uses as much as digits as its factorization.

123321023047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 28.

Adding to 123321023047 its reverse (740320123321), we get a palindrome (863641146368).

The spelling of 123321023047 in words is "one hundred twenty-three billion, three hundred twenty-one million, twenty-three thousand, forty-seven".