545507023 has 8 divisors (see below), whose sum is σ = 564580800. Its totient is φ = 526450848.

The previous prime is 545506991. The next prime is 545507057. The reversal of 545507023 is 320705545.

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 545507023 - 2⁵ = 545506991 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 (545507723) 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, 105738 + ... + 110776.

It is an arithmetic number, because the mean of its divisors is an integer number (70572600).

Almost surely, 2^545507023 is an apocalyptic number.

545507023 is a deficient number, since it is larger than the sum of its proper divisors (19073777).

545507023 is a wasteful number, since it uses less digits than its factorization.

545507023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8801.

The product of its (nonzero) digits is 21000, while the sum is 31.

The square root of 545507023 is about 23356.0917749524. The cubic root of 545507023 is about 817.0841425334.

The spelling of 545507023 in words is "five hundred forty-five million, five hundred seven thousand, twenty-three".