345213663 has 8 divisors (see below), whose sum is σ = 472725168. Its totient is φ = 223922304.

The previous prime is 345213653. The next prime is 345213697. The reversal of 345213663 is 366312543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 345213663 - 2⁶ = 345213599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345213623) 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, 1554906 + ... + 1555127.

It is an arithmetic number, because the mean of its divisors is an integer number (59090646).

Almost surely, 2^345213663 is an apocalyptic number.

345213663 is a deficient number, since it is larger than the sum of its proper divisors (127511505).

345213663 is a wasteful number, since it uses less digits than its factorization.

345213663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3110073.

The product of its digits is 38880, while the sum is 33.

The square root of 345213663 is about 18579.9263453868. The cubic root of 345213663 is about 701.5026651711.

Adding to 345213663 its product of digits (38880), we get a palindrome (345252543).

The spelling of 345213663 in words is "three hundred forty-five million, two hundred thirteen thousand, six hundred sixty-three".