162103823 has 32 divisors (see below), whose sum is σ = 205286400. Its totient is φ = 124798464.

The previous prime is 162103807. The next prime is 162103831. The reversal of 162103823 is 328301261.

It is a Cunningham number, because it is equal to 12732²-1.

It is not a de Polignac number, because 162103823 - 2⁴ = 162103807 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 162103792 and 162103801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162103883) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 369038 + ... + 369476.

It is an arithmetic number, because the mean of its divisors is an integer number (6415200).

Almost surely, 2^162103823 is an apocalyptic number.

162103823 is a deficient number, since it is larger than the sum of its proper divisors (43182577).

162103823 is a wasteful number, since it uses less digits than its factorization.

162103823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 162103823 is about 12731.9999607289. Note that the first 4 decimals coincide. The cubic root of 162103823 is about 545.2526090984.

The spelling of 162103823 in words is "one hundred sixty-two million, one hundred three thousand, eight hundred twenty-three".