354123043 has 4 divisors (see below), whose sum is σ = 354161808. Its totient is φ = 354084280.

The previous prime is 354123037. The next prime is 354123047. The reversal of 354123043 is 340321453.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 340321453 = 17 ⋅20018909.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-354123043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 354122999 and 354123017.

It is not an unprimeable number, because it can be changed into a prime (354123047) 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, 2730 + ... + 26752.

It is an arithmetic number, because the mean of its divisors is an integer number (88540452).

Almost surely, 2^354123043 is an apocalyptic number.

354123043 is a deficient number, since it is larger than the sum of its proper divisors (38765).

354123043 is a wasteful number, since it uses less digits than its factorization.

354123043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38764.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 354123043 is about 18818.1572689783. The cubic root of 354123043 is about 707.4863456766.

Adding to 354123043 its reverse (340321453), we get a palindrome (694444496).

The spelling of 354123043 in words is "three hundred fifty-four million, one hundred twenty-three thousand, forty-three".