343977923 has 8 divisors (see below), whose sum is σ = 346656000. Its totient is φ = 341310528.

The previous prime is 343977911. The next prime is 343977967. The reversal of 343977923 is 329779343.

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 343977923 - 2⁶ = 343977859 is a prime.

It is a super-2 number, since 2×343977923² = 236641623022787858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343977223) 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, 69278 + ... + 74076.

It is an arithmetic number, because the mean of its divisors is an integer number (43332000).

Almost surely, 2^343977923 is an apocalyptic number.

343977923 is a deficient number, since it is larger than the sum of its proper divisors (2678077).

343977923 is a wasteful number, since it uses less digits than its factorization.

343977923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5341.

The product of its digits is 857304, while the sum is 47.

The square root of 343977923 is about 18546.6418254087. The cubic root of 343977923 is about 700.6646225088.

The spelling of 343977923 in words is "three hundred forty-three million, nine hundred seventy-seven thousand, nine hundred twenty-three".