2100123232 has 12 divisors (see below), whose sum is σ = 4134617676. Its totient is φ = 1050061600.

The previous prime is 2100123229. The next prime is 2100123253. The reversal of 2100123232 is 2323210012.

It is a super-2 number, since 2×2100123232² = 8821035179172251648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32814394 + ... + 32814457.

It is an arithmetic number, because the mean of its divisors is an integer number (344551473).

Almost surely, 2^2100123232 is an apocalyptic number.

It is an amenable number.

2100123232 is a deficient number, since it is larger than the sum of its proper divisors (2034494444).

2100123232 is an equidigital number, since it uses as much as digits as its factorization.

2100123232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65628861 (or 65628853 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2100123232 is about 45827.1015011860. The cubic root of 2100123232 is about 1280.6042134391.

Adding to 2100123232 its reverse (2323210012), we get a palindrome (4423333244).

The spelling of 2100123232 in words is "two billion, one hundred million, one hundred twenty-three thousand, two hundred thirty-two".