323456555623 has 2 divisors, whose sum is σ = 323456555624. Its totient is φ = 323456555622.

The previous prime is 323456555567. The next prime is 323456555647. The reversal of 323456555623 is 326555654323.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 323456555623 - 2²¹ = 323454458471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323456555663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161728277811 + 161728277812.

It is an arithmetic number, because the mean of its divisors is an integer number (161728277812).

Almost surely, 2^323456555623 is an apocalyptic number.

323456555623 is a deficient number, since it is larger than the sum of its proper divisors (1).

323456555623 is an equidigital number, since it uses as much as digits as its factorization.

323456555623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720000, while the sum is 49.

The spelling of 323456555623 in words is "three hundred twenty-three billion, four hundred fifty-six million, five hundred fifty-five thousand, six hundred twenty-three".