345121353 has 12 divisors (see below), whose sum is σ = 498784000. Its totient is φ = 229953816.

The previous prime is 345121349. The next prime is 345121391. The reversal of 345121353 is 353121543.

It is not a de Polignac number, because 345121353 - 2² = 345121349 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345121253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8400 + ... + 27582.

Almost surely, 2^345121353 is an apocalyptic number.

It is an amenable number.

345121353 is a deficient number, since it is larger than the sum of its proper divisors (153662647).

345121353 is a wasteful number, since it uses less digits than its factorization.

345121353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21188 (or 21185 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 345121353 is about 18577.4420467404. The cubic root of 345121353 is about 701.4401324165.

Adding to 345121353 its reverse (353121543), we get a palindrome (698242896).

The spelling of 345121353 in words is "three hundred forty-five million, one hundred twenty-one thousand, three hundred fifty-three".