1973422143 has 64 divisors (see below), whose sum is σ = 3656678400. Its totient is φ = 1021870080.

The previous prime is 1973422141. The next prime is 1973422151. The reversal of 1973422143 is 3412243791.

It is a happy number.

1973422143 is a `hidden beast` number, since 1 + 97 + 3 + 422 + 143 = 666.

It is not a de Polignac number, because 1973422143 - 2¹ = 1973422141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1973422098 and 1973422107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1973422141) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 732543 + ... + 735231.

It is an arithmetic number, because the mean of its divisors is an integer number (57135600).

Almost surely, 2^1973422143 is an apocalyptic number.

1973422143 is a deficient number, since it is larger than the sum of its proper divisors (1683256257).

1973422143 is a wasteful number, since it uses less digits than its factorization.

1973422143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3069 (or 3063 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 1973422143 is about 44423.2162613199. The cubic root of 1973422143 is about 1254.3151436602.

The spelling of 1973422143 in words is "one billion, nine hundred seventy-three million, four hundred twenty-two thousand, one hundred forty-three".