345623354 has 8 divisors (see below), whose sum is σ = 519245748. Its totient is φ = 172541440.

The previous prime is 345623353. The next prime is 345623393. The reversal of 345623354 is 453326543.

It can be written as a sum of positive squares in 2 ways, for example, as 335732329 + 9891025 = 18323^2 + 3145^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (345623353) 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, 133517 + ... + 136080.

Almost surely, 2^345623354 is an apocalyptic number.

345623354 is a deficient number, since it is larger than the sum of its proper divisors (173622394).

345623354 is a wasteful number, since it uses less digits than its factorization.

345623354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270240.

The product of its digits is 129600, while the sum is 35.

The square root of 345623354 is about 18590.9481737753. The cubic root of 345623354 is about 701.7800641091.

Adding to 345623354 its reverse (453326543), we get a palindrome (798949897).

The spelling of 345623354 in words is "three hundred forty-five million, six hundred twenty-three thousand, three hundred fifty-four".