345551423 has 16 divisors (see below), whose sum is σ = 416832000. Its totient is φ = 279834912.

The previous prime is 345551357. The next prime is 345551441. The reversal of 345551423 is 324155543.

It is a happy number.

It is not a de Polignac number, because 345551423 - 2¹² = 345547327 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 345551423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345551123) 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, 48398 + ... + 55076.

It is an arithmetic number, because the mean of its divisors is an integer number (26052000).

Almost surely, 2^345551423 is an apocalyptic number.

345551423 is a deficient number, since it is larger than the sum of its proper divisors (71280577).

345551423 is a wasteful number, since it uses less digits than its factorization.

345551423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7094.

The product of its digits is 36000, while the sum is 32.

The square root of 345551423 is about 18589.0135026042. The cubic root of 345551423 is about 701.7313759986.

The spelling of 345551423 in words is "three hundred forty-five million, five hundred fifty-one thousand, four hundred twenty-three".