2321553436 has 24 divisors (see below), whose sum is σ = 4084711344. Its totient is φ = 1154509440.

The previous prime is 2321553413. The next prime is 2321553449. The reversal of 2321553436 is 6343551232.

It is a super-2 number, since 2×2321553436² = 10779220712406812192, 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 7 ways as a sum of consecutive naturals, for example, 732391 + ... + 735553.

It is an arithmetic number, because the mean of its divisors is an integer number (170196306).

Almost surely, 2^2321553436 is an apocalyptic number.

It is an amenable number.

2321553436 is a deficient number, since it is larger than the sum of its proper divisors (1763157908).

2321553436 is a wasteful number, since it uses less digits than its factorization.

2321553436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4101 (or 4099 counting only the distinct ones).

The product of its digits is 64800, while the sum is 34.

The square root of 2321553436 is about 48182.5013464432. The cubic root of 2321553436 is about 1324.1165937246.

The spelling of 2321553436 in words is "two billion, three hundred twenty-one million, five hundred fifty-three thousand, four hundred thirty-six".