2171123032 has 32 divisors (see below), whose sum is σ = 4388605200. Its totient is φ = 1001003904.

The previous prime is 2171123021. The next prime is 2171123069. The reversal of 2171123032 is 2303211712.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2171122994 and 2171123012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93219 + ... + 114157.

Almost surely, 2^2171123032 is an apocalyptic number.

It is an amenable number.

2171123032 is an abundant number, since it is smaller than the sum of its proper divisors (2217482168).

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

2171123032 is a wasteful number, since it uses less digits than its factorization.

2171123032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21955 (or 21951 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 2171123032 is about 46595.3112662637. The cubic root of 2171123032 is about 1294.8758907710.

Adding to 2171123032 its reverse (2303211712), we get a palindrome (4474334744).

The spelling of 2171123032 in words is "two billion, one hundred seventy-one million, one hundred twenty-three thousand, thirty-two".