349030023 has 32 divisors (see below), whose sum is σ = 492011520. Its totient is φ = 219805920.

The previous prime is 349030021. The next prime is 349030061. The reversal of 349030023 is 320030943.

It is not a de Polignac number, because 349030023 - 2¹ = 349030021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 349029975 and 349030002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349030021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 794838 + ... + 795276.

It is an arithmetic number, because the mean of its divisors is an integer number (15375360).

Almost surely, 2^349030023 is an apocalyptic number.

349030023 is a deficient number, since it is larger than the sum of its proper divisors (142981497).

349030023 is a wasteful number, since it uses less digits than its factorization.

349030023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659.

The product of its (nonzero) digits is 1944, while the sum is 24.

The square root of 349030023 is about 18682.3452221609. The cubic root of 349030023 is about 704.0782501423.

Adding to 349030023 its reverse (320030943), we get a palindrome (669060966).

The spelling of 349030023 in words is "three hundred forty-nine million, thirty thousand, twenty-three".