312203023 has 8 divisors (see below), whose sum is σ = 344897280. Its totient is φ = 280227480.

The previous prime is 312202997. The next prime is 312203027. The reversal of 312203023 is 320302213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 312203023 - 2⁹ = 312202511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312202988 and 312203006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312203027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178765 + ... + 180502.

It is an arithmetic number, because the mean of its divisors is an integer number (43112160).

Almost surely, 2^312203023 is an apocalyptic number.

312203023 is a deficient number, since it is larger than the sum of its proper divisors (32694257).

312203023 is a wasteful number, since it uses less digits than its factorization.

312203023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359357.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 312203023 is about 17669.2677550599. The cubic root of 312203023 is about 678.3893707902.

Adding to 312203023 its reverse (320302213), we get a palindrome (632505236).

It can be divided in two parts, 31220 and 3023, that added together give a palindrome (34243).

The spelling of 312203023 in words is "three hundred twelve million, two hundred three thousand, twenty-three".