312435023 has 4 divisors (see below), whose sum is σ = 312552240. Its totient is φ = 312317808.

The previous prime is 312435001. The next prime is 312435029. The reversal of 312435023 is 320534213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320534213 = 269 ⋅1191577.

It is a cyclic number.

It is not a de Polignac number, because 312435023 - 2¹⁸ = 312172879 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 312435023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312435029) 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, 54515 + ... + 59972.

It is an arithmetic number, because the mean of its divisors is an integer number (78138060).

Almost surely, 2^312435023 is an apocalyptic number.

312435023 is a deficient number, since it is larger than the sum of its proper divisors (117217).

312435023 is a wasteful number, since it uses less digits than its factorization.

312435023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117216.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 312435023 is about 17675.8316070277. The cubic root of 312435023 is about 678.5573676316.

Adding to 312435023 its reverse (320534213), we get a palindrome (632969236).

The spelling of 312435023 in words is "three hundred twelve million, four hundred thirty-five thousand, twenty-three".