343921123 has 8 divisors (see below), whose sum is σ = 423287648. Its totient is φ = 272113344.

The previous prime is 343921091. The next prime is 343921129. The reversal of 343921123 is 321129343.

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 343921123 - 2⁵ = 343921091 is a prime.

It is a super-2 number, since 2×343921123² = 236563477691162258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 343921091 and 343921100.

It is not an unprimeable number, because it can be changed into a prime (343921129) 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, 1889586 + ... + 1889767.

It is an arithmetic number, because the mean of its divisors is an integer number (52910956).

Almost surely, 2^343921123 is an apocalyptic number.

343921123 is a deficient number, since it is larger than the sum of its proper divisors (79366525).

343921123 is a wasteful number, since it uses less digits than its factorization.

343921123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3779373.

The product of its digits is 3888, while the sum is 28.

The square root of 343921123 is about 18545.1104876730. The cubic root of 343921123 is about 700.6260541990.

The spelling of 343921123 in words is "three hundred forty-three million, nine hundred twenty-one thousand, one hundred twenty-three".