345336123 has 16 divisors (see below), whose sum is σ = 502774272. Its totient is φ = 209100000.

The previous prime is 345336107. The next prime is 345336137. The reversal of 345336123 is 321633543.

It is not a de Polignac number, because 345336123 - 2⁴ = 345336107 is a prime.

It is a super-2 number, since 2×345336123² = 238514075697342258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (345336143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36373 + ... + 44873.

It is an arithmetic number, because the mean of its divisors is an integer number (31423392).

Almost surely, 2^345336123 is an apocalyptic number.

345336123 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

345336123 is a deficient number, since it is larger than the sum of its proper divisors (157438149).

345336123 is a wasteful number, since it uses less digits than its factorization.

345336123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9746.

The product of its digits is 19440, while the sum is 30.

The square root of 345336123 is about 18583.2215452542. The cubic root of 345336123 is about 701.5856049748.

Adding to 345336123 its reverse (321633543), we get a palindrome (666969666).

The spelling of 345336123 in words is "three hundred forty-five million, three hundred thirty-six thousand, one hundred twenty-three".