345423100 has 36 divisors (see below), whose sum is σ = 817713288. Its totient is φ = 125608000.

The previous prime is 345423077. The next prime is 345423137. The reversal of 345423100 is 1324543.

It is a super-2 number, since 2×345423100² = 238634236027220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 155911 + ... + 158110.

It is an arithmetic number, because the mean of its divisors is an integer number (22714258).

Almost surely, 2^345423100 is an apocalyptic number.

It is an amenable number.

345423100 is an abundant number, since it is smaller than the sum of its proper divisors (472290188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345423100 is a wasteful number, since it uses less digits than its factorization.

345423100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314046 (or 314039 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 345423100 is about 18585.5616003391. The cubic root of 345423100 is about 701.6445009169.

Adding to 345423100 its reverse (1324543), we get a palindrome (346747643).

The spelling of 345423100 in words is "three hundred forty-five million, four hundred twenty-three thousand, one hundred".