9144274923 has 28 divisors (see below), whose sum is σ = 15668740848. Its totient is φ = 5225297040.

The previous prime is 9144274901. The next prime is 9144274943. The reversal of 9144274923 is 3294724419.

It is not a de Polignac number, because 9144274923 - 2¹⁰ = 9144273899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9144274943) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 890868 + ... + 901073.

Almost surely, 2^9144274923 is an apocalyptic number.

9144274923 is a deficient number, since it is larger than the sum of its proper divisors (6524465925).

9144274923 is an equidigital number, since it uses as much as digits as its factorization.

9144274923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1791966 (or 1791951 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 9144274923 is about 95625.7022091864. The cubic root of 9144274923 is about 2091.1399139410.

The spelling of 9144274923 in words is "nine billion, one hundred forty-four million, two hundred seventy-four thousand, nine hundred twenty-three".