23040055 has 8 divisors (see below), whose sum is σ = 27744192. Its totient is φ = 18367968.

The previous prime is 23040047. The next prime is 23040071. The reversal of 23040055 is 55004032.

It is a happy number.

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 23040055 - 2³ = 23040047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6399 + ... + 9328.

It is an arithmetic number, because the mean of its divisors is an integer number (3468024).

Almost surely, 2^23040055 is an apocalyptic number.

23040055 is a deficient number, since it is larger than the sum of its proper divisors (4704137).

23040055 is a wasteful number, since it uses less digits than its factorization.

23040055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16025.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 23040055 is about 4800.0057291632. The cubic root of 23040055 is about 284.5516907816.

Adding to 23040055 its reverse (55004032), we get a palindrome (78044087).

The spelling of 23040055 in words is "twenty-three million, forty thousand, fifty-five".