345322623 has 16 divisors (see below), whose sum is σ = 478711296. Its totient is φ = 221242560.

The previous prime is 345322597. The next prime is 345322639. The reversal of 345322623 is 326223543.

It is not a de Polignac number, because 345322623 - 2⁶ = 345322559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345322643) 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, 12711 + ... + 29192.

It is an arithmetic number, because the mean of its divisors is an integer number (29919456).

Almost surely, 2^345322623 is an apocalyptic number.

345322623 is a deficient number, since it is larger than the sum of its proper divisors (133388673).

345322623 is a wasteful number, since it uses less digits than its factorization.

345322623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42014.

The product of its digits is 25920, while the sum is 30.

The square root of 345322623 is about 18582.8583108197. The cubic root of 345322623 is about 701.5764626461.

The spelling of 345322623 in words is "three hundred forty-five million, three hundred twenty-two thousand, six hundred twenty-three".