9123009123 has 16 divisors (see below), whose sum is σ = 12289728672. Its totient is φ = 6019200000.

The previous prime is 9123009089. The next prime is 9123009131. The reversal of 9123009123 is 3219003219.

It is a happy number.

It is not a de Polignac number, because 9123009123 - 2⁹ = 9123008611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9123009143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 916473 + ... + 926373.

It is an arithmetic number, because the mean of its divisors is an integer number (768108042).

Almost surely, 2^9123009123 is an apocalyptic number.

9123009123 is a deficient number, since it is larger than the sum of its proper divisors (3166719549).

9123009123 is a wasteful number, since it uses less digits than its factorization.

9123009123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13046.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 9123009123 is about 95514.4445777705. Note that the first 3 decimals coincide. The cubic root of 9123009123 is about 2089.5176136157.

It can be divided in two parts, 912300 and 9123, that multiplied together give a square (8322912900 = 91230²).

The spelling of 9123009123 in words is "nine billion, one hundred twenty-three million, nine thousand, one hundred twenty-three".