2656213023 has 8 divisors (see below), whose sum is σ = 3542945200. Its totient is φ = 1770144768.

The previous prime is 2656213019. The next prime is 2656213051. The reversal of 2656213023 is 3203126562.

2656213023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2656213023 - 2² = 2656213019 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 (2656213013) 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, 156568 + ... + 172701.

It is an arithmetic number, because the mean of its divisors is an integer number (442868150).

Almost surely, 2^2656213023 is an apocalyptic number.

2656213023 is a deficient number, since it is larger than the sum of its proper divisors (886732177).

2656213023 is a wasteful number, since it uses less digits than its factorization.

2656213023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331961.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 2656213023 is about 51538.4615893800. The cubic root of 2656213023 is about 1384.9081378076.

Adding to 2656213023 its reverse (3203126562), we get a palindrome (5859339585).

The spelling of 2656213023 in words is "two billion, six hundred fifty-six million, two hundred thirteen thousand, twenty-three".