345452423 has 4 divisors (see below), whose sum is σ = 345538560. Its totient is φ = 345366288.

The previous prime is 345452399. The next prime is 345452449. The reversal of 345452423 is 324254543.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 345452423 - 2¹⁰ = 345451399 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 345452423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345452473) 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, 36743 + ... + 45176.

It is an arithmetic number, because the mean of its divisors is an integer number (86384640).

Almost surely, 2^345452423 is an apocalyptic number.

345452423 is a deficient number, since it is larger than the sum of its proper divisors (86137).

345452423 is an equidigital number, since it uses as much as digits as its factorization.

345452423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86136.

The product of its digits is 57600, while the sum is 32.

The square root of 345452423 is about 18586.3504486491. The cubic root of 345452423 is about 701.6643545780.

The spelling of 345452423 in words is "three hundred forty-five million, four hundred fifty-two thousand, four hundred twenty-three".