345323503 has 8 divisors (see below), whose sum is σ = 408264480. Its totient is φ = 285784800.

The previous prime is 345323491. The next prime is 345323509. The reversal of 345323503 is 305323543.

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

It is not a de Polignac number, because 345323503 - 2¹⁷ = 345192431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345323509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 850348 + ... + 850753.

It is an arithmetic number, because the mean of its divisors is an integer number (51033060).

Almost surely, 2^345323503 is an apocalyptic number.

345323503 is a deficient number, since it is larger than the sum of its proper divisors (62940977).

345323503 is a wasteful number, since it uses less digits than its factorization.

345323503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1701137.

The product of its (nonzero) digits is 16200, while the sum is 28.

The square root of 345323503 is about 18582.8819885399. The cubic root of 345323503 is about 701.5770585977.

The spelling of 345323503 in words is "three hundred forty-five million, three hundred twenty-three thousand, five hundred three".