312223043 has 16 divisors (see below), whose sum is σ = 349933056. Its totient is φ = 276121440.

The previous prime is 312223027. The next prime is 312223049. The reversal of 312223043 is 340322213.

It is a cyclic number.

It is not a de Polignac number, because 312223043 - 2⁴ = 312223027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312223049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129830 + ... + 132212.

It is an arithmetic number, because the mean of its divisors is an integer number (21870816).

Almost surely, 2^312223043 is an apocalyptic number.

312223043 is a deficient number, since it is larger than the sum of its proper divisors (37710013).

312223043 is a wasteful number, since it uses less digits than its factorization.

312223043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2714.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 312223043 is about 17669.8342663422. The cubic root of 312223043 is about 678.4038710394.

Adding to 312223043 its reverse (340322213), we get a palindrome (652545256).

The spelling of 312223043 in words is "three hundred twelve million, two hundred twenty-three thousand, forty-three".