673122143 has 2 divisors, whose sum is σ = 673122144. Its totient is φ = 673122142.

The previous prime is 673122119. The next prime is 673122169. The reversal of 673122143 is 341221376.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-673122143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (673122193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336561071 + 336561072.

It is an arithmetic number, because the mean of its divisors is an integer number (336561072).

Almost surely, 2^673122143 is an apocalyptic number.

673122143 is a deficient number, since it is larger than the sum of its proper divisors (1).

673122143 is an equidigital number, since it uses as much as digits as its factorization.

673122143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 29.

The square root of 673122143 is about 25944.5975686654. The cubic root of 673122143 is about 876.3911011729.

The spelling of 673122143 in words is "six hundred seventy-three million, one hundred twenty-two thousand, one hundred forty-three".