20523023033 has 8 divisors (see below), whose sum is σ = 22873957920. Its totient is φ = 18299165760.

The previous prime is 20523022987. The next prime is 20523023041. The reversal of 20523023033 is 33032032502.

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 20523023033 - 2⁸ = 20523022777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20523020033) 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, 31769063 + ... + 31769708.

It is an arithmetic number, because the mean of its divisors is an integer number (2859244740).

Almost surely, 2^20523023033 is an apocalyptic number.

It is an amenable number.

20523023033 is a deficient number, since it is larger than the sum of its proper divisors (2350934887).

20523023033 is a wasteful number, since it uses less digits than its factorization.

20523023033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63538807.

The product of its (nonzero) digits is 3240, while the sum is 23.

Adding to 20523023033 its reverse (33032032502), we get a palindrome (53555055535).

The spelling of 20523023033 in words is "twenty billion, five hundred twenty-three million, twenty-three thousand, thirty-three".