85123030 has 16 divisors (see below), whose sum is σ = 153465840. Its totient is φ = 33994912.

The previous prime is 85123007. The next prime is 85123043. The reversal of 85123030 is 3032158.

It is a junction number, because it is equal to n+sod(n) for n = 85122992 and 85123010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132 + ... + 13048.

It is an arithmetic number, because the mean of its divisors is an integer number (9591615).

Almost surely, 2^85123030 is an apocalyptic number.

85123030 is a deficient number, since it is larger than the sum of its proper divisors (68342810).

85123030 is a wasteful number, since it uses less digits than its factorization.

85123030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13583.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 85123030 is about 9226.2142832258. The cubic root of 85123030 is about 439.8949990494.

Adding to 85123030 its reverse (3032158), we get a palindrome (88155188).

The spelling of 85123030 in words is "eighty-five million, one hundred twenty-three thousand, thirty".