23311210133 has 8 divisors (see below), whose sum is σ = 23451336216. Its totient is φ = 23171443200.

The previous prime is 23311210123. The next prime is 23311210177. The reversal of 23311210133 is 33101211332.

It can be written as a sum of positive squares in 4 ways, for example, as 6540442129 + 16770768004 = 80873^2 + 129502^2 .

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 23311210133 - 2³² = 19016242837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23311210123) 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, 40985 + ... + 219777.

It is an arithmetic number, because the mean of its divisors is an integer number (2931417027).

Almost surely, 2^23311210133 is an apocalyptic number.

It is an amenable number.

23311210133 is a deficient number, since it is larger than the sum of its proper divisors (140126083).

23311210133 is a wasteful number, since it uses less digits than its factorization.

23311210133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179575.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 23311210133 its reverse (33101211332), we get a palindrome (56412421465).

The spelling of 23311210133 in words is "twenty-three billion, three hundred eleven million, two hundred ten thousand, one hundred thirty-three".