100162123 has 4 divisors (see below), whose sum is σ = 102293280. Its totient is φ = 98030968.

The previous prime is 100162099. The next prime is 100162133. The reversal of 100162123 is 321261001.

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 100162123 - 2¹⁷ = 100031051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100162097 and 100162106.

It is not an unprimeable number, because it can be changed into a prime (100162133) 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, 1065508 + ... + 1065601.

It is an arithmetic number, because the mean of its divisors is an integer number (25573320).

Almost surely, 2^100162123 is an apocalyptic number.

100162123 is a deficient number, since it is larger than the sum of its proper divisors (2131157).

100162123 is an equidigital number, since it uses as much as digits as its factorization.

100162123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2131156.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 100162123 is about 10008.1028671772. The cubic root of 100162123 is about 464.4095840311.

The spelling of 100162123 in words is "one hundred million, one hundred sixty-two thousand, one hundred twenty-three".