23135443201 has 8 divisors (see below), whose sum is σ = 25000131240. Its totient is φ = 21282903552.

The previous prime is 23135443193. The next prime is 23135443217. The reversal of 23135443201 is 10234453132.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4475610000 + 18659833201 = 66900^2 + 136601^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 23135443201 - 2³ = 23135443193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23135443201.

It is not an unprimeable number, because it can be changed into a prime (23135443301) 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 7 ways as a sum of consecutive naturals, for example, 3033136 + ... + 3040753.

It is an arithmetic number, because the mean of its divisors is an integer number (3125016405).

Almost surely, 2^23135443201 is an apocalyptic number.

It is an amenable number.

23135443201 is a deficient number, since it is larger than the sum of its proper divisors (1864688039).

23135443201 is a wasteful number, since it uses less digits than its factorization.

23135443201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6074195.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 23135443201 its reverse (10234453132), we get a palindrome (33369896333).

The spelling of 23135443201 in words is "twenty-three billion, one hundred thirty-five million, four hundred forty-three thousand, two hundred one".