6722815023 has 8 divisors (see below), whose sum is σ = 9959726000. Its totient is φ = 4481876664.

The previous prime is 6722815009. The next prime is 6722815027. The reversal of 6722815023 is 3205182276.

6722815023 is a `hidden beast` number, since 6 + 72 + 2 + 81 + 502 + 3 = 666.

It is not a de Polignac number, because 6722815023 - 2⁴ = 6722815007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6722815027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124496548 + ... + 124496601.

It is an arithmetic number, because the mean of its divisors is an integer number (1244965750).

Almost surely, 2^6722815023 is an apocalyptic number.

6722815023 is a deficient number, since it is larger than the sum of its proper divisors (3236910977).

6722815023 is a wasteful number, since it uses less digits than its factorization.

6722815023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248993158 (or 248993152 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 6722815023 is about 81992.7742121219. The cubic root of 6722815023 is about 1887.3410556801.

Adding to 6722815023 its reverse (3205182276), we get a palindrome (9927997299).

The spelling of 6722815023 in words is "six billion, seven hundred twenty-two million, eight hundred fifteen thousand, twenty-three".