2123579320 has 32 divisors (see below), whose sum is σ = 4783237200. Its totient is φ = 848510208.

The previous prime is 2123579303. The next prime is 2123579321. The reversal of 2123579320 is 239753212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123579321) 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, 9151 + ... + 65809.

Almost surely, 2^2123579320 is an apocalyptic number.

2123579320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2123579320 is an abundant number, since it is smaller than the sum of its proper divisors (2659657880).

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

2123579320 is a wasteful number, since it uses less digits than its factorization.

2123579320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57607 (or 57603 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 2123579320 is about 46082.3102719471. The cubic root of 2123579320 is about 1285.3542241367.

The spelling of 2123579320 in words is "two billion, one hundred twenty-three million, five hundred seventy-nine thousand, three hundred twenty".