348518623 has 4 divisors (see below), whose sum is σ = 353427408. Its totient is φ = 343609840.

The previous prime is 348518593. The next prime is 348518633. The reversal of 348518623 is 326815843.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 326815843 = 433 ⋅754771.

It is a cyclic number.

It is not a de Polignac number, because 348518623 - 2⁹ = 348518111 is a prime.

It is a super-2 number, since 2×348518623² = 242930461155632258, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348518633) 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, 2454286 + ... + 2454427.

It is an arithmetic number, because the mean of its divisors is an integer number (88356852).

Almost surely, 2^348518623 is an apocalyptic number.

348518623 is a deficient number, since it is larger than the sum of its proper divisors (4908785).

348518623 is an equidigital number, since it uses as much as digits as its factorization.

348518623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4908784.

The product of its digits is 138240, while the sum is 40.

The square root of 348518623 is about 18668.6534865266. The cubic root of 348518623 is about 703.7342094265.

The spelling of 348518623 in words is "three hundred forty-eight million, five hundred eighteen thousand, six hundred twenty-three".