2123213076 has 72 divisors (see below), whose sum is σ = 5793540480. Its totient is φ = 653615424.

The previous prime is 2123213017. The next prime is 2123213077. The reversal of 2123213076 is 6703123212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123213077) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20200 + ... + 68223.

It is an arithmetic number, because the mean of its divisors is an integer number (80465840).

Almost surely, 2^2123213076 is an apocalyptic number.

It is an amenable number.

2123213076 is an abundant number, since it is smaller than the sum of its proper divisors (3670327404).

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

2123213076 is a wasteful number, since it uses less digits than its factorization.

2123213076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88485 (or 88480 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 2123213076 is about 46078.3362980913. The cubic root of 2123213076 is about 1285.2803268361.

Adding to 2123213076 its reverse (6703123212), we get a palindrome (8826336288).

The spelling of 2123213076 in words is "two billion, one hundred twenty-three million, two hundred thirteen thousand, seventy-six".