823837109052 has 12 divisors (see below), whose sum is σ = 1922286587816. Its totient is φ = 274612369680.

The previous prime is 823837108999. The next prime is 823837109077. The reversal of 823837109052 is 250901738328.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 823837108992 and 823837109010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34326546199 + ... + 34326546222.

Almost surely, 2^823837109052 is an apocalyptic number.

It is an amenable number.

823837109052 is an abundant number, since it is smaller than the sum of its proper divisors (1098449478764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

823837109052 is a wasteful number, since it uses less digits than its factorization.

823837109052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68653092428 (or 68653092426 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 823837109052 in words is "eight hundred twenty-three billion, eight hundred thirty-seven million, one hundred nine thousand, fifty-two".