23322010421 has 4 divisors (see below), whose sum is σ = 23324130732. Its totient is φ = 23319890112.

The previous prime is 23322010417. The next prime is 23322010423. The reversal of 23322010421 is 12401022332.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2264808100 + 21057202321 = 47590^2 + 145111^2 .

It is a cyclic number.

It is not a de Polignac number, because 23322010421 - 2² = 23322010417 is a prime.

It is a super-5 number, since 5×23322010421⁵ (a number of 53 digits) contains 55555 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23322010393 and 23322010402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23322010423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1043570 + ... + 1065683.

It is an arithmetic number, because the mean of its divisors is an integer number (5831032683).

Almost surely, 2^23322010421 is an apocalyptic number.

It is an amenable number.

23322010421 is a deficient number, since it is larger than the sum of its proper divisors (2120311).

23322010421 is a wasteful number, since it uses less digits than its factorization.

23322010421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2120310.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 23322010421 its reverse (12401022332), we get a palindrome (35723032753).

The spelling of 23322010421 in words is "twenty-three billion, three hundred twenty-two million, ten thousand, four hundred twenty-one".