345123983 has 8 divisors (see below), whose sum is σ = 357432480. Its totient is φ = 332842720.

The previous prime is 345123979. The next prime is 345123991. The reversal of 345123983 is 389321543.

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

It is a cyclic number.

It is not a de Polignac number, because 345123983 - 2² = 345123979 is a prime.

It is a super-2 number, since 2×345123983² = 238221127283568578, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345123913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20966 + ... + 33612.

It is an arithmetic number, because the mean of its divisors is an integer number (44679060).

Almost surely, 2^345123983 is an apocalyptic number.

345123983 is a deficient number, since it is larger than the sum of its proper divisors (12308497).

345123983 is a wasteful number, since it uses less digits than its factorization.

345123983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13617.

The product of its digits is 77760, while the sum is 38.

The square root of 345123983 is about 18577.5128313776. The cubic root of 345123983 is about 701.4419141887.

The spelling of 345123983 in words is "three hundred forty-five million, one hundred twenty-three thousand, nine hundred eighty-three".