345123411 has 8 divisors (see below), whose sum is σ = 460380624. Its totient is φ = 229974240.

The previous prime is 345123407. The next prime is 345123419. The reversal of 345123411 is 114321543.

It is a happy number.

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

It is not a de Polignac number, because 345123411 - 2² = 345123407 is a prime.

It is a super-2 number, since 2×345123411² = 238220337640549842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (345123419) 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, 19236 + ... + 32561.

It is an arithmetic number, because the mean of its divisors is an integer number (57547578).

Almost surely, 2^345123411 is an apocalyptic number.

345123411 is a deficient number, since it is larger than the sum of its proper divisors (115257213).

345123411 is a wasteful number, since it uses less digits than its factorization.

345123411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54021.

The product of its digits is 1440, while the sum is 24.

The square root of 345123411 is about 18577.4974364148. The cubic root of 345123411 is about 701.4415266710.

Adding to 345123411 its reverse (114321543), we get a palindrome (459444954).

It can be divided in two parts, 3451 and 23411, that added together give a palindrome (26862).

The spelling of 345123411 in words is "three hundred forty-five million, one hundred twenty-three thousand, four hundred eleven".