620146623 has 16 divisors (see below), whose sum is σ = 852673536. Its totient is φ = 400696800.

The previous prime is 620146619. The next prime is 620146633. The reversal of 620146623 is 326641026.

It is not a de Polignac number, because 620146623 - 2² = 620146619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620146633) 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, 6828 + ... + 35873.

It is an arithmetic number, because the mean of its divisors is an integer number (53292096).

Almost surely, 2^620146623 is an apocalyptic number.

620146623 is a deficient number, since it is larger than the sum of its proper divisors (232526913).

620146623 is a wasteful number, since it uses less digits than its factorization.

620146623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42854.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 620146623 is about 24902.7432826185. The cubic root of 620146623 is about 852.7691111540.

Adding to 620146623 its reverse (326641026), we get a palindrome (946787649).

The spelling of 620146623 in words is "six hundred twenty million, one hundred forty-six thousand, six hundred twenty-three".