9623993143 has 2 divisors, whose sum is σ = 9623993144. Its totient is φ = 9623993142.

The previous prime is 9623993111. The next prime is 9623993177. The reversal of 9623993143 is 3413993269.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9623993143 - 2⁵ = 9623993111 is a prime.

It is a super-2 number, since 2×9623993143² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9623993843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4811996571 + 4811996572.

It is an arithmetic number, because the mean of its divisors is an integer number (4811996572).

Almost surely, 2^9623993143 is an apocalyptic number.

9623993143 is a deficient number, since it is larger than the sum of its proper divisors (1).

9623993143 is an equidigital number, since it uses as much as digits as its factorization.

9623993143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 944784, while the sum is 49.

The square root of 9623993143 is about 98101.9527991161. The cubic root of 9623993143 is about 2127.0862569365.

The spelling of 9623993143 in words is "nine billion, six hundred twenty-three million, nine hundred ninety-three thousand, one hundred forty-three".