345412323 has 32 divisors (see below), whose sum is σ = 529889280. Its totient is φ = 222147360.

The previous prime is 345412313. The next prime is 345412337. The reversal of 345412323 is 323214543.

It is not a de Polignac number, because 345412323 - 2¹⁶ = 345346787 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (345412303) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 470865 + ... + 471597.

It is an arithmetic number, because the mean of its divisors is an integer number (16559040).

Almost surely, 2^345412323 is an apocalyptic number.

345412323 is a deficient number, since it is larger than the sum of its proper divisors (184476957).

345412323 is a wasteful number, since it uses less digits than its factorization.

345412323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336 (or 1330 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 345412323 is about 18585.2716687166. The cubic root of 345412323 is about 701.6372038741.

Adding to 345412323 its reverse (323214543), we get a palindrome (668626866).

It can be divided in two parts, 34541 and 2323, that added together give a square (36864 = 192²).

The spelling of 345412323 in words is "three hundred forty-five million, four hundred twelve thousand, three hundred twenty-three".