89238143 has 2 divisors, whose sum is σ = 89238144. Its totient is φ = 89238142.

The previous prime is 89238109. The next prime is 89238161. The reversal of 89238143 is 34183298.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89238143 - 2¹⁰ = 89237119 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 89238097 and 89238106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89238173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44619071 + 44619072.

It is an arithmetic number, because the mean of its divisors is an integer number (44619072).

Almost surely, 2^89238143 is an apocalyptic number.

89238143 is a deficient number, since it is larger than the sum of its proper divisors (1).

89238143 is an equidigital number, since it uses as much as digits as its factorization.

89238143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 38.

The square root of 89238143 is about 9446.5942540156. The cubic root of 89238143 is about 446.8723750510.

The spelling of 89238143 in words is "eighty-nine million, two hundred thirty-eight thousand, one hundred forty-three".