23740055 has 4 divisors (see below), whose sum is σ = 28488072. Its totient is φ = 18992040.

The previous prime is 23740049. The next prime is 23740097. The reversal of 23740055 is 55004732.

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

It is not a de Polignac number, because 23740055 - 2⁴ = 23740039 is a prime.

It is a super-2 number, since 2×23740055² = 1127180422806050, which contains 22 as substring.

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, 2374001 + ... + 2374010.

It is an arithmetic number, because the mean of its divisors is an integer number (7122018).

Almost surely, 2^23740055 is an apocalyptic number.

23740055 is a deficient number, since it is larger than the sum of its proper divisors (4748017).

23740055 is an equidigital number, since it uses as much as digits as its factorization.

23740055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4748016.

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 23740055 is about 4872.3767300980. The cubic root of 23740055 is about 287.4047270957.

Adding to 23740055 its reverse (55004732), we get a palindrome (78744787).

The spelling of 23740055 in words is "twenty-three million, seven hundred forty thousand, fifty-five".