354072343 has 4 divisors (see below), whose sum is σ = 354134368. Its totient is φ = 354010320.

The previous prime is 354072319. The next prime is 354072401. The reversal of 354072343 is 343270453.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 354072343 - 2⁹ = 354071831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354072443) 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, 21471 + ... + 34192.

It is an arithmetic number, because the mean of its divisors is an integer number (88533592).

Almost surely, 2^354072343 is an apocalyptic number.

354072343 is a deficient number, since it is larger than the sum of its proper divisors (62025).

354072343 is an equidigital number, since it uses as much as digits as its factorization.

354072343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62024.

The product of its (nonzero) digits is 30240, while the sum is 31.

The square root of 354072343 is about 18816.8101175518. The cubic root of 354072343 is about 707.4525803227.

The spelling of 354072343 in words is "three hundred fifty-four million, seventy-two thousand, three hundred forty-three".