973631423 has 4 divisors (see below), whose sum is σ = 1015963248. Its totient is φ = 931299600.

The previous prime is 973631401. The next prime is 973631443. The reversal of 973631423 is 324136379.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324136379 = 7 ⋅46305197.

It is a cyclic number.

It is not a de Polignac number, because 973631423 - 2²⁰ = 972582847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (973631443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21165878 + ... + 21165923.

It is an arithmetic number, because the mean of its divisors is an integer number (253990812).

Almost surely, 2^973631423 is an apocalyptic number.

973631423 is a deficient number, since it is larger than the sum of its proper divisors (42331825).

973631423 is a wasteful number, since it uses less digits than its factorization.

973631423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42331824.

The product of its digits is 81648, while the sum is 38.

The square root of 973631423 is about 31203.0675254854. The cubic root of 973631423 is about 991.1320665484.

The spelling of 973631423 in words is "nine hundred seventy-three million, six hundred thirty-one thousand, four hundred twenty-three".