7835390642823 has 32 divisors (see below), whose sum is σ = 10700789299200. Its totient is φ = 5097460763136.

The previous prime is 7835390642803. The next prime is 7835390642897. The reversal of 7835390642823 is 3282460935387.

It is not a de Polignac number, because 7835390642823 - 2⁹ = 7835390642311 is a prime.

It is a super-2 number, since 2×7835390642823² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7835390642803) 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, 96088393 + ... + 96169901.

It is an arithmetic number, because the mean of its divisors is an integer number (334399665600).

Almost surely, 2^{7835390642823} is an apocalyptic number.

7835390642823 is a deficient number, since it is larger than the sum of its proper divisors (2865398656377).

7835390642823 is a wasteful number, since it uses less digits than its factorization.

7835390642823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83551.

The product of its (nonzero) digits is 52254720, while the sum is 60.

The spelling of 7835390642823 in words is "seven trillion, eight hundred thirty-five billion, three hundred ninety million, six hundred forty-two thousand, eight hundred twenty-three".