20541323023 has 32 divisors (see below), whose sum is σ = 24465442176. Its totient is φ = 17052930048.

The previous prime is 20541322999. The next prime is 20541323053. The reversal of 20541323023 is 32032314502.

It is a cyclic number.

It is not a de Polignac number, because 20541323023 - 2¹³ = 20541314831 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 (20541323053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9539715 + ... + 9541867.

It is an arithmetic number, because the mean of its divisors is an integer number (764545068).

Almost surely, 2^20541323023 is an apocalyptic number.

20541323023 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20541323023 is a deficient number, since it is larger than the sum of its proper divisors (3924119153).

20541323023 is a wasteful number, since it uses less digits than its factorization.

20541323023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4083.

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 20541323023 its reverse (32032314502), we get a palindrome (52573637525).

The spelling of 20541323023 in words is "twenty billion, five hundred forty-one million, three hundred twenty-three thousand, twenty-three".