535445023 has 4 divisors (see below), whose sum is σ = 563626360. Its totient is φ = 507263688.

The previous prime is 535445011. The next prime is 535445047. The reversal of 535445023 is 320544535.

It is a happy number.

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 535445023 - 2²⁵ = 501890591 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 (535445003) 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, 14090640 + ... + 14090677.

It is an arithmetic number, because the mean of its divisors is an integer number (140906590).

Almost surely, 2^535445023 is an apocalyptic number.

535445023 is a deficient number, since it is larger than the sum of its proper divisors (28181337).

535445023 is a wasteful number, since it uses less digits than its factorization.

535445023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28181336.

The product of its (nonzero) digits is 36000, while the sum is 31.

The square root of 535445023 is about 23139.6850237854. The cubic root of 535445023 is about 812.0291668323.

Adding to 535445023 its reverse (320544535), we get a palindrome (855989558).

The spelling of 535445023 in words is "five hundred thirty-five million, four hundred forty-five thousand, twenty-three".