312404132303223 has 4 divisors (see below), whose sum is σ = 416538843070968. Its totient is φ = 208269421535480.

The previous prime is 312404132303209. The next prime is 312404132303227. The reversal of 312404132303223 is 322303231404213.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 312404132303223 - 2¹⁷ = 312404132172151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312404132303227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52067355383868 + ... + 52067355383873.

It is an arithmetic number, because the mean of its divisors is an integer number (104134710767742).

Almost surely, 2^{312404132303223} is an apocalyptic number.

312404132303223 is a deficient number, since it is larger than the sum of its proper divisors (104134710767745).

312404132303223 is a wasteful number, since it uses less digits than its factorization.

312404132303223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104134710767744.

The product of its (nonzero) digits is 62208, while the sum is 33.

Adding to 312404132303223 its reverse (322303231404213), we get a palindrome (634707363707436).

The spelling of 312404132303223 in words is "three hundred twelve trillion, four hundred four billion, one hundred thirty-two million, three hundred three thousand, two hundred twenty-three".