823226210504 has 16 divisors (see below), whose sum is σ = 1545129045900. Its totient is φ = 411191798272.

The previous prime is 823226210473. The next prime is 823226210509. The reversal of 823226210504 is 405012622328.

It is a happy number.

823226210504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 597686702404 + 225539508100 = 773102^2 + 474910^2 .

It is a super-2 number, since 2×823226210504² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (823226210509) 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, 52655069 + ... + 52670700.

Almost surely, 2^823226210504 is an apocalyptic number.

It is an amenable number.

823226210504 is a deficient number, since it is larger than the sum of its proper divisors (721902835396).

823226210504 is a wasteful number, since it uses less digits than its factorization.

823226210504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105326752 (or 105326748 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The spelling of 823226210504 in words is "eight hundred twenty-three billion, two hundred twenty-six million, two hundred ten thousand, five hundred four".