2321451320 has 64 divisors (see below), whose sum is σ = 5659204320. Its totient is φ = 853622784.

The previous prime is 2321451271. The next prime is 2321451343. The reversal of 2321451320 is 231541232.

It is a super-2 number, since 2×2321451320² = 10778272462259484800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10457 + ... + 68936.

Almost surely, 2^2321451320 is an apocalyptic number.

2321451320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2321451320 is an abundant number, since it is smaller than the sum of its proper divisors (3337753000).

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

2321451320 is a wasteful number, since it uses less digits than its factorization.

2321451320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79464 (or 79460 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2321451320 is about 48181.4416554756. The cubic root of 2321451320 is about 1324.0971792138.

Adding to 2321451320 its reverse (231541232), we get a palindrome (2552992552).

The spelling of 2321451320 in words is "two billion, three hundred twenty-one million, four hundred fifty-one thousand, three hundred twenty".