345523413 has 4 divisors (see below), whose sum is σ = 460697888. Its totient is φ = 230348940.

The previous prime is 345523403. The next prime is 345523433. The reversal of 345523413 is 314325543.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 345523413 - 2⁴ = 345523397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345523403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57587233 + ... + 57587238.

It is an arithmetic number, because the mean of its divisors is an integer number (115174472).

Almost surely, 2^345523413 is an apocalyptic number.

It is an amenable number.

345523413 is a deficient number, since it is larger than the sum of its proper divisors (115174475).

345523413 is a wasteful number, since it uses less digits than its factorization.

345523413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115174474.

The product of its digits is 21600, while the sum is 30.

The square root of 345523413 is about 18588.2600853334. The cubic root of 345523413 is about 701.7124149741.

Adding to 345523413 its reverse (314325543), we get a palindrome (659848956).

The spelling of 345523413 in words is "three hundred forty-five million, five hundred twenty-three thousand, four hundred thirteen".