23402143321133 has 8 divisors (see below), whose sum is σ = 24784823718648. Its totient is φ = 22020138893824.

The previous prime is 23402143321091. The next prime is 23402143321153. The reversal of 23402143321133 is 33112334120432.

It can be written as a sum of positive squares in 4 ways, for example, as 6466630303849 + 16935513017284 = 2542957^2 + 4115278^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23402143321133 - 2⁶ = 23402143321069 is a prime.

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 23402143321133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23402143321153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168921266 + ... + 169059747.

It is an arithmetic number, because the mean of its divisors is an integer number (3098102964831).

Almost surely, 2^{23402143321133} is an apocalyptic number.

It is an amenable number.

23402143321133 is a deficient number, since it is larger than the sum of its proper divisors (1382680397515).

23402143321133 is a wasteful number, since it uses less digits than its factorization.

23402143321133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337985103.

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 23402143321133 its reverse (33112334120432), we get a palindrome (56514477441565).

The spelling of 23402143321133 in words is "twenty-three trillion, four hundred two billion, one hundred forty-three million, three hundred twenty-one thousand, one hundred thirty-three".