28323011123 has 8 divisors (see below), whose sum is σ = 31082849280. Its totient is φ = 25594009480.

The previous prime is 28323011117. The next prime is 28323011159. The reversal of 28323011123 is 32111032382.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28323011123 - 2⁴ = 28323011107 is a prime.

It is a super-2 number, since 2×28323011123² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28323011092 and 28323011101.

It is not an unprimeable number, because it can be changed into a prime (28323011113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7707203 + ... + 7710876.

It is an arithmetic number, because the mean of its divisors is an integer number (3885356160).

Almost surely, 2^28323011123 is an apocalyptic number.

28323011123 is a deficient number, since it is larger than the sum of its proper divisors (2759838157).

28323011123 is a wasteful number, since it uses less digits than its factorization.

28323011123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15418257.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 28323011123 in words is "twenty-eight billion, three hundred twenty-three million, eleven thousand, one hundred twenty-three".