143997349623 has 16 divisors (see below), whose sum is σ = 194822957280. Its totient is φ = 94593632256.

The previous prime is 143997349603. The next prime is 143997349681. The reversal of 143997349623 is 326943799341.

It is a happy number.

It is not a de Polignac number, because 143997349623 - 2⁸ = 143997349367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143997349603) 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, 1013790 + ... + 1147067.

It is an arithmetic number, because the mean of its divisors is an integer number (12176434830).

Almost surely, 2^143997349623 is an apocalyptic number.

143997349623 is a deficient number, since it is larger than the sum of its proper divisors (50825607657).

143997349623 is a wasteful number, since it uses less digits than its factorization.

143997349623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2161186.

The product of its digits is 26453952, while the sum is 60.

The spelling of 143997349623 in words is "one hundred forty-three billion, nine hundred ninety-seven million, three hundred forty-nine thousand, six hundred twenty-three".