143023441 has 4 divisors (see below), whose sum is σ = 156025584. Its totient is φ = 130021300.

The previous prime is 143023421. The next prime is 143023451. The reversal of 143023441 is 144320341.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 143023441 - 2⁷ = 143023313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (143023421) 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, 6501055 + ... + 6501076.

It is an arithmetic number, because the mean of its divisors is an integer number (39006396).

Almost surely, 2^143023441 is an apocalyptic number.

143023441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

143023441 is a deficient number, since it is larger than the sum of its proper divisors (13002143).

143023441 is a wasteful number, since it uses less digits than its factorization.

143023441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13002142.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 143023441 is about 11959.2408203866. The cubic root of 143023441 is about 522.9607251636.

Adding to 143023441 its reverse (144320341), we get a palindrome (287343782).

The spelling of 143023441 in words is "one hundred forty-three million, twenty-three thousand, four hundred forty-one".