2102343552 has 256 divisors, whose sum is σ = 6544238400. Its totient is φ = 663552000.

The previous prime is 2102343533. The next prime is 2102343553. The reversal of 2102343552 is 2553432012.

It is a happy number.

2102343552 is a `hidden beast` number, since 2 + 102 + 3 + 4 + 3 + 552 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102343553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5242552 + ... + 5242952.

Almost surely, 2^2102343552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2102343552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3272119200).

2102343552 is an abundant number, since it is smaller than the sum of its proper divisors (4441894848).

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

2102343552 is a wasteful number, since it uses less digits than its factorization.

2102343552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502 (or 484 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 2102343552 is about 45851.3200682379. The cubic root of 2102343552 is about 1281.0553535855.

Adding to 2102343552 its reverse (2553432012), we get a palindrome (4655775564).

The spelling of 2102343552 in words is "two billion, one hundred two million, three hundred forty-three thousand, five hundred fifty-two".