9311923 has 2 divisors, whose sum is σ = 9311924. Its totient is φ = 9311922.

The previous prime is 9311917. The next prime is 9311933. The reversal of 9311923 is 3291139.

9311923 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9311923 - 2¹³ = 9303731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9311891 and 9311900.

It is not a weakly prime, because it can be changed into another prime (9311933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4655961 + 4655962.

It is an arithmetic number, because the mean of its divisors is an integer number (4655962).

Almost surely, 2^9311923 is an apocalyptic number.

9311923 is a deficient number, since it is larger than the sum of its proper divisors (1).

9311923 is an equidigital number, since it uses as much as digits as its factorization.

9311923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1458, while the sum is 28.

The square root of 9311923 is about 3051.5443631053. The cubic root of 9311923 is about 210.3842021781.

The spelling of 9311923 in words is "nine million, three hundred eleven thousand, nine hundred twenty-three".