143923966961 has 8 divisors (see below), whose sum is σ = 146991498240. Its totient is φ = 140856657408.

The previous prime is 143923966931. The next prime is 143923966981. The reversal of 143923966961 is 169669329341.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 143923966961 - 2²⁶ = 143856858097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 143923966961.

It is not an unprimeable number, because it can be changed into a prime (143923966931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2443520 + ... + 2501726.

It is an arithmetic number, because the mean of its divisors is an integer number (18373937280).

Almost surely, 2^143923966961 is an apocalyptic number.

It is an amenable number.

143923966961 is a deficient number, since it is larger than the sum of its proper divisors (3067531279).

143923966961 is an equidigital number, since it uses as much as digits as its factorization.

143923966961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110863.

The product of its digits is 11337408, while the sum is 59.

The spelling of 143923966961 in words is "one hundred forty-three billion, nine hundred twenty-three million, nine hundred sixty-six thousand, nine hundred sixty-one".