143665621640123 has 8 divisors (see below), whose sum is σ = 156768479711856. Its totient is φ = 130569821404000.

The previous prime is 143665621640071. The next prime is 143665621640131. The reversal of 143665621640123 is 321046126566341.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 143665621640123 - 2⁶ = 143665621640059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143665621640173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1764416336 + ... + 1764497757.

It is an arithmetic number, because the mean of its divisors is an integer number (19596059963982).

Almost surely, 2^{143665621640123} is an apocalyptic number.

143665621640123 is a deficient number, since it is larger than the sum of its proper divisors (13102858071733).

143665621640123 is a wasteful number, since it uses less digits than its factorization.

143665621640123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3528917805.

The product of its (nonzero) digits is 3732480, while the sum is 50.

The spelling of 143665621640123 in words is "one hundred forty-three trillion, six hundred sixty-five billion, six hundred twenty-one million, six hundred forty thousand, one hundred twenty-three".