312112023223 has 48 divisors (see below), whose sum is σ = 426954157056. Its totient is φ = 224279616960.

The previous prime is 312112023203. The next prime is 312112023259. The reversal of 312112023223 is 322320211213.

It is not a de Polignac number, because 312112023223 - 2¹³ = 312112015031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312112023194 and 312112023203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312112023203) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7427490 + ... + 7469392.

It is an arithmetic number, because the mean of its divisors is an integer number (8894878272).

Almost surely, 2^312112023223 is an apocalyptic number.

312112023223 is a deficient number, since it is larger than the sum of its proper divisors (114842133833).

312112023223 is a wasteful number, since it uses less digits than its factorization.

312112023223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43004 (or 42997 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 312112023223 its reverse (322320211213), we get a palindrome (634432234436).

The spelling of 312112023223 in words is "three hundred twelve billion, one hundred twelve million, twenty-three thousand, two hundred twenty-three".