623073345 has 8 divisors (see below), whose sum is σ = 996917376. Its totient is φ = 332305776.

The previous prime is 623073331. The next prime is 623073361. The reversal of 623073345 is 543370326.

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

It is not a de Polignac number, because 623073345 - 2⁴ = 623073329 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20769097 + ... + 20769126.

It is an arithmetic number, because the mean of its divisors is an integer number (124614672).

Almost surely, 2^623073345 is an apocalyptic number.

It is an amenable number.

623073345 is a deficient number, since it is larger than the sum of its proper divisors (373844031).

623073345 is a wasteful number, since it uses less digits than its factorization.

623073345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41538231.

The product of its (nonzero) digits is 45360, while the sum is 33.

The square root of 623073345 is about 24961.4371581446. The cubic root of 623073345 is about 854.1085267215.

The spelling of 623073345 in words is "six hundred twenty-three million, seventy-three thousand, three hundred forty-five".