312423033 has 12 divisors (see below), whose sum is σ = 451073040. Its totient is φ = 192260016.

The previous prime is 312423031. The next prime is 312423049. The reversal of 312423033 is 330324213.

It is not a de Polignac number, because 312423033 - 2¹ = 312423031 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312423031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 307603 + ... + 308616.

It is an arithmetic number, because the mean of its divisors is an integer number (37589420).

Almost surely, 2^312423033 is an apocalyptic number.

It is an amenable number.

312423033 is a deficient number, since it is larger than the sum of its proper divisors (138650007).

312423033 is a wasteful number, since it uses less digits than its factorization.

312423033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616248 (or 616235 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 312423033 is about 17675.4924400991. The cubic root of 312423033 is about 678.5486874194.

Adding to 312423033 its reverse (330324213), we get a palindrome (642747246).

The spelling of 312423033 in words is "three hundred twelve million, four hundred twenty-three thousand, thirty-three".