918332401223 has 2 divisors, whose sum is σ = 918332401224. Its totient is φ = 918332401222.

The previous prime is 918332401201. The next prime is 918332401303. The reversal of 918332401223 is 322104233819.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 918332401223 - 2²⁰ = 918331352647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (918332901223) 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, 459166200611 + 459166200612.

It is an arithmetic number, because the mean of its divisors is an integer number (459166200612).

Almost surely, 2^918332401223 is an apocalyptic number.

918332401223 is a deficient number, since it is larger than the sum of its proper divisors (1).

918332401223 is an equidigital number, since it uses as much as digits as its factorization.

918332401223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 38.

The spelling of 918332401223 in words is "nine hundred eighteen billion, three hundred thirty-two million, four hundred one thousand, two hundred twenty-three".