9075421923 has 4 divisors (see below), whose sum is σ = 12100562568. Its totient is φ = 6050281280.

The previous prime is 9075421897. The next prime is 9075421951. The reversal of 9075421923 is 3291245709.

9075421923 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3291245709 = 3 ⋅1097081903.

It is a cyclic number.

It is not a de Polignac number, because 9075421923 - 2¹⁰ = 9075420899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9075421973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1512570318 + ... + 1512570323.

It is an arithmetic number, because the mean of its divisors is an integer number (3025140642).

Almost surely, 2^9075421923 is an apocalyptic number.

9075421923 is a deficient number, since it is larger than the sum of its proper divisors (3025140645).

9075421923 is a wasteful number, since it uses less digits than its factorization.

9075421923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3025140644.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 9075421923 is about 95265.0089119819. The cubic root of 9075421923 is about 2085.8781827055.

The spelling of 9075421923 in words is "nine billion, seventy-five million, four hundred twenty-one thousand, nine hundred twenty-three".