2123551632 has 40 divisors (see below), whose sum is σ = 5493239680. Its totient is φ = 706896000.

The previous prime is 2123551627. The next prime is 2123551637. The reversal of 2123551632 is 2361553212.

2123551632 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2123551627) and next prime (2123551637).

It is a self number, because there is not a number n which added to its sum of digits gives 2123551632.

It is not an unprimeable number, because it can be changed into a prime (2123551637) 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, 6594 + ... + 65502.

It is an arithmetic number, because the mean of its divisors is an integer number (137330992).

Almost surely, 2^2123551632 is an apocalyptic number.

It is an amenable number.

2123551632 is an abundant number, since it is smaller than the sum of its proper divisors (3369688048).

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

2123551632 is a wasteful number, since it uses less digits than its factorization.

2123551632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59671 (or 59665 counting only the distinct ones).

The product of its digits is 10800, while the sum is 30.

The square root of 2123551632 is about 46082.0098520019. The cubic root of 2123551632 is about 1285.3486378071.

The spelling of 2123551632 in words is "two billion, one hundred twenty-three million, five hundred fifty-one thousand, six hundred thirty-two".