904023557873 has 2 divisors, whose sum is σ = 904023557874. Its totient is φ = 904023557872.

The previous prime is 904023557867. The next prime is 904023557887. The reversal of 904023557873 is 378755320409.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 850725833104 + 53297724769 = 922348^2 + 230863^2 .

It is an emirp because it is prime and its reverse (378755320409) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 904023557873 - 2¹⁴ = 904023541489 is a prime.

It is not a weakly prime, because it can be changed into another prime (904023557803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 452011778936 + 452011778937.

It is an arithmetic number, because the mean of its divisors is an integer number (452011778937).

Almost surely, 2^904023557873 is an apocalyptic number.

It is an amenable number.

904023557873 is a deficient number, since it is larger than the sum of its proper divisors (1).

904023557873 is an equidigital number, since it uses as much as digits as its factorization.

904023557873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6350400, while the sum is 53.

The spelling of 904023557873 in words is "nine hundred four billion, twenty-three million, five hundred fifty-seven thousand, eight hundred seventy-three".