20023411243 has 8 divisors (see below), whose sum is σ = 21953491200. Its totient is φ = 18111626280.

The previous prime is 20023411127. The next prime is 20023411271. The reversal of 20023411243 is 34211432002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20023411243 - 2¹³ = 20023403051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20023411043) 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, 4571455 + ... + 4575832.

It is an arithmetic number, because the mean of its divisors is an integer number (2744186400).

Almost surely, 2^20023411243 is an apocalyptic number.

20023411243 is a deficient number, since it is larger than the sum of its proper divisors (1930079957).

20023411243 is a wasteful number, since it uses less digits than its factorization.

20023411243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9147497.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20023411243 its reverse (34211432002), we get a palindrome (54234843245).

The spelling of 20023411243 in words is "twenty billion, twenty-three million, four hundred eleven thousand, two hundred forty-three".