345127983 has 8 divisors (see below), whose sum is σ = 460806528. Its totient is φ = 229767384.

The previous prime is 345127973. The next prime is 345127987. The reversal of 345127983 is 389721543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 345127983 - 2¹³ = 345119791 is a prime.

It is a super-2 number, since 2×345127983² = 238226649299296578, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345127987) 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, 76941 + ... + 81302.

It is an arithmetic number, because the mean of its divisors is an integer number (57600816).

Almost surely, 2^345127983 is an apocalyptic number.

345127983 is a deficient number, since it is larger than the sum of its proper divisors (115678545).

345127983 is a wasteful number, since it uses less digits than its factorization.

345127983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158973.

The product of its digits is 181440, while the sum is 42.

The square root of 345127983 is about 18577.6204881034. The cubic root of 345127983 is about 701.4446240910. Note that the first 3 decimals are identical.

The spelling of 345127983 in words is "three hundred forty-five million, one hundred twenty-seven thousand, nine hundred eighty-three".