3085647123 has 18 divisors (see below), whose sum is σ = 4456823724. Its totient is φ = 1898090064.

The previous prime is 3085647107. The next prime is 3085647157. The reversal of 3085647123 is 3217465803.

It is not a de Polignac number, because 3085647123 - 2⁴ = 3085647107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (3085647163) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1249536 + ... + 1252002.

It is an arithmetic number, because the mean of its divisors is an integer number (247601318).

Almost surely, 2^3085647123 is an apocalyptic number.

3085647123 is a deficient number, since it is larger than the sum of its proper divisors (1371176601).

3085647123 is an frugal number, since it uses more digits than its factorization.

3085647123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4963 (or 2483 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 3085647123 is about 55548.6014495415. The cubic root of 3085647123 is about 1455.8459392690.

The spelling of 3085647123 in words is "three billion, eighty-five million, six hundred forty-seven thousand, one hundred twenty-three".