85419376123 has 4 divisors (see below), whose sum is σ = 85727749600. Its totient is φ = 85111002648.

The previous prime is 85419376079. The next prime is 85419376127. The reversal of 85419376123 is 32167391458.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85419376123 - 2²¹ = 85417278971 is a prime.

It is a super-2 number, since 2×85419376123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85419376127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154186323 + ... + 154186876.

It is an arithmetic number, because the mean of its divisors is an integer number (21431937400).

Almost surely, 2^85419376123 is an apocalyptic number.

85419376123 is a deficient number, since it is larger than the sum of its proper divisors (308373477).

85419376123 is a wasteful number, since it uses less digits than its factorization.

85419376123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308373476.

The product of its digits is 1088640, while the sum is 49.

The spelling of 85419376123 in words is "eighty-five billion, four hundred nineteen million, three hundred seventy-six thousand, one hundred twenty-three".