974619823 has 2 divisors, whose sum is σ = 974619824. Its totient is φ = 974619822.

The previous prime is 974619817. The next prime is 974619847. The reversal of 974619823 is 328916479.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 974619823 - 2⁹ = 974619311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (974619853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487309911 + 487309912.

It is an arithmetic number, because the mean of its divisors is an integer number (487309912).

Almost surely, 2^974619823 is an apocalyptic number.

974619823 is a deficient number, since it is larger than the sum of its proper divisors (1).

974619823 is an equidigital number, since it uses as much as digits as its factorization.

974619823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 49.

The square root of 974619823 is about 31218.9016943261. The cubic root of 974619823 is about 991.4673418214.

It can be divided in two parts, 97461 and 9823, that multiplied together give a triangular number (957359403 = T₄₃₇₅₇).

The spelling of 974619823 in words is "nine hundred seventy-four million, six hundred nineteen thousand, eight hundred twenty-three".