23442143401 has 4 divisors (see below), whose sum is σ = 23442968772. Its totient is φ = 23441318032.

The previous prime is 23442143393. The next prime is 23442143479. The reversal of 23442143401 is 10434124432.

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 15900957801 + 7541185600 = 126099^2 + 86840^2 .

It is a cyclic number.

It is not a de Polignac number, because 23442143401 - 2³ = 23442143393 is a prime.

It is a super-3 number, since 3×23442143401³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23442143401.

It is not an unprimeable number, because it can be changed into a prime (23442843401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368506 + ... + 427411.

It is an arithmetic number, because the mean of its divisors is an integer number (5860742193).

Almost surely, 2^23442143401 is an apocalyptic number.

It is an amenable number.

23442143401 is a deficient number, since it is larger than the sum of its proper divisors (825371).

23442143401 is an equidigital number, since it uses as much as digits as its factorization.

23442143401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825370.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 23442143401 its reverse (10434124432), we get a palindrome (33876267833).

The spelling of 23442143401 in words is "twenty-three billion, four hundred forty-two million, one hundred forty-three thousand, four hundred one".