2312158 has 4 divisors (see below), whose sum is σ = 3468240. Its totient is φ = 1156078.

The previous prime is 2312147. The next prime is 2312159. The reversal of 2312158 is 8512132.

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

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578038 + ... + 578041.

It is an arithmetic number, because the mean of its divisors is an integer number (867060).

2^2312158 is an apocalyptic number.

2312158 is a deficient number, since it is larger than the sum of its proper divisors (1156082).

2312158 is a wasteful number, since it uses less digits than its factorization.

2312158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156081.

The product of its digits is 480, while the sum is 22.

The square root of 2312158 is about 1520.5781795094. The cubic root of 2312158 is about 132.2327924553.

The spelling of 2312158 in words is "two million, three hundred twelve thousand, one hundred fifty-eight".