873231973623 has 32 divisors (see below), whose sum is σ = 1294908457920. Its totient is φ = 581600839680.

The previous prime is 873231973609. The next prime is 873231973729. The reversal of 873231973623 is 326379132378.

873231973623 is a `hidden beast` number, since 8 + 7 + 3 + 2 + 3 + 1 + 9 + 7 + 3 + 623 = 666.

It is not a de Polignac number, because 873231973623 - 2¹² = 873231969527 is a prime.

It is a super-2 number, since 2×873231973623² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 873231973623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (873231983623) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 237483061 + ... + 237486737.

It is an arithmetic number, because the mean of its divisors is an integer number (40465889310).

Almost surely, 2^873231973623 is an apocalyptic number.

873231973623 is a deficient number, since it is larger than the sum of its proper divisors (421676484297).

873231973623 is a wasteful number, since it uses less digits than its factorization.

873231973623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9664 (or 9658 counting only the distinct ones).

The product of its digits is 6858432, while the sum is 54.

The spelling of 873231973623 in words is "eight hundred seventy-three billion, two hundred thirty-one million, nine hundred seventy-three thousand, six hundred twenty-three".