143021023 has 2 divisors, whose sum is σ = 143021024. Its totient is φ = 143021022.

The previous prime is 143020993. The next prime is 143021029. The reversal of 143021023 is 320120341.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 143021023 - 2¹⁷ = 142889951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143020988 and 143021006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143021029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71510511 + 71510512.

It is an arithmetic number, because the mean of its divisors is an integer number (71510512).

Almost surely, 2^143021023 is an apocalyptic number.

143021023 is a deficient number, since it is larger than the sum of its proper divisors (1).

143021023 is an equidigital number, since it uses as much as digits as its factorization.

143021023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 143021023 is about 11959.1397265857. The cubic root of 143021023 is about 522.9577780333.

Adding to 143021023 its reverse (320120341), we get a palindrome (463141364).

The spelling of 143021023 in words is "one hundred forty-three million, twenty-one thousand, twenty-three".