23322320421 has 16 divisors (see below), whose sum is σ = 31499188224. Its totient is φ = 15347672064.

The previous prime is 23322320407. The next prime is 23322320467. The reversal of 23322320421 is 12402322332.

It is not a de Polignac number, because 23322320421 - 2¹⁷ = 23322189349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23322320391 and 23322320400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23322320221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6825 + ... + 216081.

It is an arithmetic number, because the mean of its divisors is an integer number (1968699264).

Almost surely, 2^23322320421 is an apocalyptic number.

It is an amenable number.

23322320421 is a deficient number, since it is larger than the sum of its proper divisors (8176867803).

23322320421 is a wasteful number, since it uses less digits than its factorization.

23322320421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209740.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 23322320421 its reverse (12402322332), we get a palindrome (35724642753).

The spelling of 23322320421 in words is "twenty-three billion, three hundred twenty-two million, three hundred twenty thousand, four hundred twenty-one".