115623143 has 2 divisors, whose sum is σ = 115623144. Its totient is φ = 115623142.

The previous prime is 115623133. The next prime is 115623161. The reversal of 115623143 is 341326511.

It is a weak prime.

It is an emirp because it is prime and its reverse (341326511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115623143 - 2⁸ = 115622887 is a prime.

It is a super-2 number, since 2×115623143² = 26737422394396898, which contains 22 as substring.

It is equal to p_6606215 and since 115623143 and 6606215 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115623133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57811571 + 57811572.

It is an arithmetic number, because the mean of its divisors is an integer number (57811572).

Almost surely, 2^115623143 is an apocalyptic number.

115623143 is a deficient number, since it is larger than the sum of its proper divisors (1).

115623143 is an equidigital number, since it uses as much as digits as its factorization.

115623143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 26.

The square root of 115623143 is about 10752.8202347105. The cubic root of 115623143 is about 487.1711819882.

Adding to 115623143 its reverse (341326511), we get a palindrome (456949654).

The spelling of 115623143 in words is "one hundred fifteen million, six hundred twenty-three thousand, one hundred forty-three".