2123022320 has 40 divisors (see below), whose sum is σ = 4948410960. Its totient is φ = 847078400.

The previous prime is 2123022313. The next prime is 2123022463. The reversal of 2123022320 is 232203212.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1010 + ... + 65169.

It is an arithmetic number, because the mean of its divisors is an integer number (123710274).

Almost surely, 2^2123022320 is an apocalyptic number.

2123022320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2123022320 is an abundant number, since it is smaller than the sum of its proper divisors (2825388640).

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

2123022320 is a wasteful number, since it uses less digits than its factorization.

2123022320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66593 (or 66587 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2123022320 is about 46076.2663417947. The cubic root of 2123022320 is about 1285.2418345027.

Adding to 2123022320 its reverse (232203212), we get a palindrome (2355225532).

The spelling of 2123022320 in words is "two billion, one hundred twenty-three million, twenty-two thousand, three hundred twenty".