23421332401 has 2 divisors, whose sum is σ = 23421332402. Its totient is φ = 23421332400.

The previous prime is 23421332393. The next prime is 23421332413. The reversal of 23421332401 is 10423312432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22483503025 + 937829376 = 149945^2 + 30624^2 .

It is a cyclic number.

It is not a de Polignac number, because 23421332401 - 2³ = 23421332393 is a prime.

It is a super-2 number, since 2×23421332401² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23421336401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11710666200 + 11710666201.

It is an arithmetic number, because the mean of its divisors is an integer number (11710666201).

Almost surely, 2^23421332401 is an apocalyptic number.

It is an amenable number.

23421332401 is a deficient number, since it is larger than the sum of its proper divisors (1).

23421332401 is an equidigital number, since it uses as much as digits as its factorization.

23421332401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 23421332401 its reverse (10423312432), we get a palindrome (33844644833).

The spelling of 23421332401 in words is "twenty-three billion, four hundred twenty-one million, three hundred thirty-two thousand, four hundred one".