143223994755073 has 4 divisors (see below), whose sum is σ = 143241416487508. Its totient is φ = 143206573022640.

The previous prime is 143223994755047. The next prime is 143223994755113. The reversal of 143223994755073 is 370557499322341.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 139903665735744 + 3320329019329 = 11828088^2 + 1822177^2 .

It is a cyclic number.

It is not a de Polignac number, because 143223994755073 - 2⁴¹ = 141024971499521 is a prime.

It is a super-2 number, since 2×143223994755073² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143223994754996 and 143223994755014.

It is not an unprimeable number, because it can be changed into a prime (143223994795073) 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, 8710853886 + ... + 8710870327.

It is an arithmetic number, because the mean of its divisors is an integer number (35810354121877).

Almost surely, 2^{143223994755073} is an apocalyptic number.

It is an amenable number.

143223994755073 is a deficient number, since it is larger than the sum of its proper divisors (17421732435).

143223994755073 is an equidigital number, since it uses as much as digits as its factorization.

143223994755073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17421732434.

The product of its (nonzero) digits is 171460800, while the sum is 64.

The spelling of 143223994755073 in words is "one hundred forty-three trillion, two hundred twenty-three billion, nine hundred ninety-four million, seven hundred fifty-five thousand, seventy-three".