2102423320 has 32 divisors (see below), whose sum is σ = 5008716000. Its totient is φ = 791500288.

The previous prime is 2102423293. The next prime is 2102423329. The reversal of 2102423320 is 233242012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102423329) 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, 1545220 + ... + 1546579.

It is an arithmetic number, because the mean of its divisors is an integer number (156522375).

Almost surely, 2^2102423320 is an apocalyptic number.

2102423320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102423320 is an abundant number, since it is smaller than the sum of its proper divisors (2906292680).

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

2102423320 is a wasteful number, since it uses less digits than its factorization.

2102423320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3091827 (or 3091823 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2102423320 is about 45852.1899149866. The cubic root of 2102423320 is about 1281.0715554935.

Adding to 2102423320 its reverse (233242012), we get a palindrome (2335665332).

It can be divided in two parts, 21024 and 23320, that added together give a palindrome (44344).

The spelling of 2102423320 in words is "two billion, one hundred two million, four hundred twenty-three thousand, three hundred twenty".