2123592870 has 192 divisors, whose sum is σ = 6124579776. Its totient is φ = 469647360.

The previous prime is 2123592857. The next prime is 2123592871. The reversal of 2123592870 is 782953212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123592871) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7557130 + ... + 7557410.

It is an arithmetic number, because the mean of its divisors is an integer number (31898853).

Almost surely, 2^2123592870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2123592870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3062289888).

2123592870 is an abundant number, since it is smaller than the sum of its proper divisors (4000986906).

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

2123592870 is a wasteful number, since it uses less digits than its factorization.

2123592870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455 (or 448 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 2123592870 is about 46082.4572912513. The cubic root of 2123592870 is about 1285.3569579664.

The spelling of 2123592870 in words is "two billion, one hundred twenty-three million, five hundred ninety-two thousand, eight hundred seventy".