445340623 has 8 divisors (see below), whose sum is σ = 548111648. Its totient is φ = 352357344.

The previous prime is 445340591. The next prime is 445340627. The reversal of 445340623 is 326043544.

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

It is a cyclic number.

It is not a de Polignac number, because 445340623 - 2⁵ = 445340591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445340627) 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, 2446836 + ... + 2447017.

It is an arithmetic number, because the mean of its divisors is an integer number (68513956).

Almost surely, 2^445340623 is an apocalyptic number.

445340623 is a deficient number, since it is larger than the sum of its proper divisors (102771025).

445340623 is a wasteful number, since it uses less digits than its factorization.

445340623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4893873.

The product of its (nonzero) digits is 34560, while the sum is 31.

The square root of 445340623 is about 21103.0951047471. The cubic root of 445340623 is about 763.6554181723.

The spelling of 445340623 in words is "four hundred forty-five million, three hundred forty thousand, six hundred twenty-three".