23155540033 has 8 divisors (see below), whose sum is σ = 23698136000. Its totient is φ = 22613130288.

The previous prime is 23155540021. The next prime is 23155540043. The reversal of 23155540033 is 33004555132.

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 23155540033 - 2²¹ = 23153442881 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23155539977 and 23155540004.

It is not an unprimeable number, because it can be changed into a prime (23155540043) 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, 223123 + ... + 309991.

It is an arithmetic number, because the mean of its divisors is an integer number (2962267000).

Almost surely, 2^23155540033 is an apocalyptic number.

It is an amenable number.

23155540033 is a deficient number, since it is larger than the sum of its proper divisors (542595967).

23155540033 is an equidigital number, since it uses as much as digits as its factorization.

23155540033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93111.

The product of its (nonzero) digits is 27000, while the sum is 31.

The spelling of 23155540033 in words is "twenty-three billion, one hundred fifty-five million, five hundred forty thousand, thirty-three".