923903873 has 2 divisors, whose sum is σ = 923903874. Its totient is φ = 923903872.

The previous prime is 923903857. The next prime is 923903887. The reversal of 923903873 is 378309329.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 881614864 + 42289009 = 29692^2 + 6503^2 .

It is a cyclic number.

It is not a de Polignac number, because 923903873 - 2⁴ = 923903857 is a prime.

It is not a weakly prime, because it can be changed into another prime (923903843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 461951936 + 461951937.

It is an arithmetic number, because the mean of its divisors is an integer number (461951937).

Almost surely, 2^923903873 is an apocalyptic number.

It is an amenable number.

923903873 is a deficient number, since it is larger than the sum of its proper divisors (1).

923903873 is an equidigital number, since it uses as much as digits as its factorization.

923903873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 244944, while the sum is 44.

The square root of 923903873 is about 30395.7870929509. The cubic root of 923903873 is about 973.9625600676.

The spelling of 923903873 in words is "nine hundred twenty-three million, nine hundred three thousand, eight hundred seventy-three".