73162123 has 4 divisors (see below), whose sum is σ = 73179288. Its totient is φ = 73144960.

The previous prime is 73162121. The next prime is 73162171. The reversal of 73162123 is 32126137.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 32126137 = 31 ⋅1036327.

It is a cyclic number.

It is not a de Polignac number, because 73162123 - 2¹ = 73162121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73162121) 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, 3243 + ... + 12523.

It is an arithmetic number, because the mean of its divisors is an integer number (18294822).

Almost surely, 2^73162123 is an apocalyptic number.

73162123 is a deficient number, since it is larger than the sum of its proper divisors (17165).

73162123 is an equidigital number, since it uses as much as digits as its factorization.

73162123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17164.

The product of its digits is 1512, while the sum is 25.

The square root of 73162123 is about 8553.4860144856. The cubic root of 73162123 is about 418.2430822098.

The spelling of 73162123 in words is "seventy-three million, one hundred sixty-two thousand, one hundred twenty-three".