823609896373 has 16 divisors (see below), whose sum is σ = 945273389760. Its totient is φ = 710731843200.

The previous prime is 823609896323. The next prime is 823609896379. The reversal of 823609896373 is 373698906328.

It is a cyclic number.

It is not a de Polignac number, because 823609896373 - 2¹³ = 823609888181 is a prime.

It is a super-2 number, since 2×823609896373² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (823609896379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24661503 + ... + 24694876.

It is an arithmetic number, because the mean of its divisors is an integer number (59079586860).

Almost surely, 2^823609896373 is an apocalyptic number.

It is an amenable number.

823609896373 is a deficient number, since it is larger than the sum of its proper divisors (121663493387).

823609896373 is a wasteful number, since it uses less digits than its factorization.

823609896373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49356468.

The product of its (nonzero) digits is 70543872, while the sum is 64.

The spelling of 823609896373 in words is "eight hundred twenty-three billion, six hundred nine million, eight hundred ninety-six thousand, three hundred seventy-three".