85331123 has 4 divisors (see below), whose sum is σ = 85360968. Its totient is φ = 85301280.

The previous prime is 85331119. The next prime is 85331149. The reversal of 85331123 is 32113358.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32113358 = 2 ⋅16056679.

It is a cyclic number.

It is not a de Polignac number, because 85331123 - 2² = 85331119 is a prime.

It is a super-2 number, since 2×85331123² = 14562801104882258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85331092 and 85331101.

It is not an unprimeable number, because it can be changed into a prime (85331423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10118 + ... + 16523.

It is an arithmetic number, because the mean of its divisors is an integer number (21340242).

Almost surely, 2^85331123 is an apocalyptic number.

85331123 is a deficient number, since it is larger than the sum of its proper divisors (29845).

85331123 is a wasteful number, since it uses less digits than its factorization.

85331123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29844.

The product of its digits is 2160, while the sum is 26.

The square root of 85331123 is about 9237.4846684582. The cubic root of 85331123 is about 440.2531652574.

The spelling of 85331123 in words is "eighty-five million, three hundred thirty-one thousand, one hundred twenty-three".