545022623 has 4 divisors (see below), whose sum is σ = 545127168. Its totient is φ = 544918080.

The previous prime is 545022587. The next prime is 545022677. The reversal of 545022623 is 326220545.

545022623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 545022623 - 2¹² = 545018527 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 (545022683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44018 + ... + 55023.

It is an arithmetic number, because the mean of its divisors is an integer number (136281792).

Almost surely, 2^545022623 is an apocalyptic number.

545022623 is a deficient number, since it is larger than the sum of its proper divisors (104545).

545022623 is an equidigital number, since it uses as much as digits as its factorization.

545022623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104544.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 545022623 is about 23345.7195862539. The cubic root of 545022623 is about 816.8422191161.

The spelling of 545022623 in words is "five hundred forty-five million, twenty-two thousand, six hundred twenty-three".