84123356 has 24 divisors (see below), whose sum is σ = 150433920. Its totient is φ = 41151600.

The previous prime is 84123329. The next prime is 84123371. The reversal of 84123356 is 65332148.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

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, 38411 + ... + 40541.

It is an arithmetic number, because the mean of its divisors is an integer number (6268080).

Almost surely, 2^84123356 is an apocalyptic number.

It is an amenable number.

84123356 is a deficient number, since it is larger than the sum of its proper divisors (66310564).

84123356 is a wasteful number, since it uses less digits than its factorization.

84123356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2345 (or 2343 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 84123356 is about 9171.8785425888. The cubic root of 84123356 is about 438.1661900709.

The spelling of 84123356 in words is "eighty-four million, one hundred twenty-three thousand, three hundred fifty-six".