312023000 has 32 divisors (see below), whose sum is σ = 730136160. Its totient is φ = 124808800.

The previous prime is 312022987. The next prime is 312023003. The reversal of 312023000 is 320213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312023003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155012 + ... + 157011.

It is an arithmetic number, because the mean of its divisors is an integer number (22816755).

Almost surely, 2^312023000 is an apocalyptic number.

It is an amenable number.

312023000 is an abundant number, since it is smaller than the sum of its proper divisors (418113160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312023000 is a wasteful number, since it uses less digits than its factorization.

312023000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312044 (or 312030 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 312023000 is about 17664.1727799521. The cubic root of 312023000 is about 678.2589544034.

Adding to 312023000 its reverse (320213), we get a palindrome (312343213).

The spelling of 312023000 in words is "three hundred twelve million, twenty-three thousand".