2311973 has 4 divisors (see below), whose sum is σ = 2344608. Its totient is φ = 2279340.

The previous prime is 2311957. The next prime is 2311993. The reversal of 2311973 is 3791132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2311973 - 2⁴ = 2311957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311993) 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, 16211 + ... + 16352.

It is an arithmetic number, because the mean of its divisors is an integer number (586152).

2^2311973 is an apocalyptic number.

It is an amenable number.

2311973 is a deficient number, since it is larger than the sum of its proper divisors (32635).

2311973 is an equidigital number, since it uses as much as digits as its factorization.

2311973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32634.

The product of its digits is 1134, while the sum is 26.

The square root of 2311973 is about 1520.5173461687. The cubic root of 2311973 is about 132.2292656319.

The spelling of 2311973 in words is "two million, three hundred eleven thousand, nine hundred seventy-three".