143451223 has 2 divisors, whose sum is σ = 143451224. Its totient is φ = 143451222.

The previous prime is 143451211. The next prime is 143451227. The reversal of 143451223 is 322154341.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 143451223 - 2²¹ = 141354071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143451227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71725611 + 71725612.

It is an arithmetic number, because the mean of its divisors is an integer number (71725612).

Almost surely, 2^143451223 is an apocalyptic number.

143451223 is a deficient number, since it is larger than the sum of its proper divisors (1).

143451223 is an equidigital number, since it uses as much as digits as its factorization.

143451223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 25.

The square root of 143451223 is about 11977.1124650310. The cubic root of 143451223 is about 523.4815966884.

The spelling of 143451223 in words is "one hundred forty-three million, four hundred fifty-one thousand, two hundred twenty-three".