23055133231 has 8 divisors (see below), whose sum is σ = 25908109920. Its totient is φ = 20356371552.

The previous prime is 23055133223. The next prime is 23055133247. The reversal of 23055133231 is 13233155032.

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 23055133231 - 2³ = 23055133223 is a prime.

It is a super-2 number, since 2×23055133231² (a number of 22 digits) contains 22 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 23055133231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23055133631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38553436 + ... + 38554033.

It is an arithmetic number, because the mean of its divisors is an integer number (3238513740).

Almost surely, 2^23055133231 is an apocalyptic number.

23055133231 is a deficient number, since it is larger than the sum of its proper divisors (2852976689).

23055133231 is a wasteful number, since it uses less digits than its factorization.

23055133231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77107505.

The product of its (nonzero) digits is 8100, while the sum is 28.

Adding to 23055133231 its reverse (13233155032), we get a palindrome (36288288263).

The spelling of 23055133231 in words is "twenty-three billion, fifty-five million, one hundred thirty-three thousand, two hundred thirty-one".