2123232102 has 80 divisors (see below), whose sum is σ = 5302733040. Its totient is φ = 631037952.

The previous prime is 2123232091. The next prime is 2123232131. The reversal of 2123232102 is 2012323212.

It is a super-2 number, since 2×2123232102² = 9016229117926676808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 32038 + ... + 72614.

It is an arithmetic number, because the mean of its divisors is an integer number (66284163).

Almost surely, 2^2123232102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2123232102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2651366520).

2123232102 is an abundant number, since it is smaller than the sum of its proper divisors (3179500938).

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

2123232102 is a wasteful number, since it uses less digits than its factorization.

2123232102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40627 (or 40618 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2123232102 is about 46078.5427503952. The cubic root of 2123232102 is about 1285.2841659343.

Adding to 2123232102 its reverse (2012323212), we get a palindrome (4135555314).

It can be divided in two parts, 212323210 and 2, that added together give a palindrome (212323212).

The spelling of 2123232102 in words is "two billion, one hundred twenty-three million, two hundred thirty-two thousand, one hundred two".