20231142243 has 16 divisors (see below), whose sum is σ = 29052420096. Its totient is φ = 12448830240.

The previous prime is 20231142223. The next prime is 20231142251. The reversal of 20231142243 is 34224113202.

It is a happy number.

It is not a de Polignac number, because 20231142243 - 2¹⁰ = 20231141219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20231142223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 761758 + ... + 787868.

It is an arithmetic number, because the mean of its divisors is an integer number (1815776256).

Almost surely, 2^20231142243 is an apocalyptic number.

20231142243 is a deficient number, since it is larger than the sum of its proper divisors (8821277853).

20231142243 is a wasteful number, since it uses less digits than its factorization.

20231142243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45994.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 20231142243 its reverse (34224113202), we get a palindrome (54455255445).

The spelling of 20231142243 in words is "twenty billion, two hundred thirty-one million, one hundred forty-two thousand, two hundred forty-three".