143968623 has 4 divisors (see below), whose sum is σ = 191958168. Its totient is φ = 95979080.

The previous prime is 143968553. The next prime is 143968633. The reversal of 143968623 is 326869341.

143968623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 326869341 = 3 ⋅108956447.

It is a cyclic number.

It is not a de Polignac number, because 143968623 - 2²⁰ = 142920047 is a prime.

It is a super-2 number, since 2×143968623² = 41453928817032258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143968633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23994768 + ... + 23994773.

It is an arithmetic number, because the mean of its divisors is an integer number (47989542).

Almost surely, 2^143968623 is an apocalyptic number.

143968623 is a deficient number, since it is larger than the sum of its proper divisors (47989545).

143968623 is an equidigital number, since it uses as much as digits as its factorization.

143968623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47989544.

The product of its digits is 186624, while the sum is 42.

The square root of 143968623 is about 11998.6925537743. The cubic root of 143968623 is about 524.1102061677.

The spelling of 143968623 in words is "one hundred forty-three million, nine hundred sixty-eight thousand, six hundred twenty-three".