23406055 has 4 divisors (see below), whose sum is σ = 28087272. Its totient is φ = 18724840.

The previous prime is 23406049. The next prime is 23406091. The reversal of 23406055 is 55060432.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 23406055 - 2¹⁹ = 22881767 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 3 ways as a sum of consecutive naturals, for example, 2340601 + ... + 2340610.

It is an arithmetic number, because the mean of its divisors is an integer number (7021818).

Almost surely, 2^23406055 is an apocalyptic number.

23406055 is a deficient number, since it is larger than the sum of its proper divisors (4681217).

23406055 is an equidigital number, since it uses as much as digits as its factorization.

23406055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4681216.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 23406055 is about 4837.9804670957. The cubic root of 23406055 is about 286.0505192189.

Adding to 23406055 its reverse (55060432), we get a palindrome (78466487).

The spelling of 23406055 in words is "twenty-three million, four hundred six thousand, fifty-five".