2321563401 has 12 divisors (see below), whose sum is σ = 3550626612. Its totient is φ = 1456667136.

The previous prime is 2321563381. The next prime is 2321563411. The reversal of 2321563401 is 1043651232.

2321563401 is a `hidden beast` number, since 2 + 3 + 21 + 5 + 634 + 0 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1787260176 + 534303225 = 42276^2 + 23115^2 .

It is not a de Polignac number, because 2321563401 - 2⁶ = 2321563337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2321563411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7586656 + ... + 7586961.

It is an arithmetic number, because the mean of its divisors is an integer number (295885551).

Almost surely, 2^2321563401 is an apocalyptic number.

It is an amenable number.

2321563401 is a deficient number, since it is larger than the sum of its proper divisors (1229063211).

2321563401 is a wasteful number, since it uses less digits than its factorization.

2321563401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15173640 (or 15173637 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 2321563401 is about 48182.6047552434. The cubic root of 2321563401 is about 1324.1184882610.

The spelling of 2321563401 in words is "two billion, three hundred twenty-one million, five hundred sixty-three thousand, four hundred one".