1970823423447 has 24 divisors (see below), whose sum is σ = 2924805901680. Its totient is φ = 1277881401600.

The previous prime is 1970823423431. The next prime is 1970823423461. The reversal of 1970823423447 is 7443243280791.

1970823423447 is a `hidden beast` number, since 1 + 9 + 70 + 82 + 34 + 23 + 447 = 666.

It is not a de Polignac number, because 1970823423447 - 2⁴ = 1970823423431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1970823423393 and 1970823423402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1970823423427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 265429 + ... + 2003022.

It is an arithmetic number, because the mean of its divisors is an integer number (121866912570).

Almost surely, 2^{1970823423447} is an apocalyptic number.

1970823423447 is a deficient number, since it is larger than the sum of its proper divisors (953982478233).

1970823423447 is a wasteful number, since it uses less digits than its factorization.

1970823423447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2271103 (or 2271100 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 54.

The spelling of 1970823423447 in words is "one trillion, nine hundred seventy billion, eight hundred twenty-three million, four hundred twenty-three thousand, four hundred forty-seven".