23221414450521 has 24 divisors (see below), whose sum is σ = 40588690806144. Its totient is φ = 12488827939200.

The previous prime is 23221414450463. The next prime is 23221414450667. The reversal of 23221414450521 is 12505441412232.

23221414450521 is a `hidden beast` number, since 2 + 3 + 2 + 2 + 1 + 4 + 144 + 505 + 2 + 1 = 666.

It is not a de Polignac number, because 23221414450521 - 2¹⁴ = 23221414434137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23221414450121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10840995405 + ... + 10840997546.

It is an arithmetic number, because the mean of its divisors is an integer number (1691195450256).

Almost surely, 2^{23221414450521} is an apocalyptic number.

23221414450521 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

23221414450521 is a deficient number, since it is larger than the sum of its proper divisors (17367276355623).

23221414450521 is a wasteful number, since it uses less digits than its factorization.

23221414450521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21681992981 (or 21681992978 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

Adding to 23221414450521 its reverse (12505441412232), we get a palindrome (35726855862753).

The spelling of 23221414450521 in words is "twenty-three trillion, two hundred twenty-one billion, four hundred fourteen million, four hundred fifty thousand, five hundred twenty-one".