23649055 has 4 divisors (see below), whose sum is σ = 28378872. Its totient is φ = 18919240.

The previous prime is 23649019. The next prime is 23649061. The reversal of 23649055 is 55094632.

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

It is not a de Polignac number, because 23649055 - 2¹¹ = 23647007 is a prime.

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 23649055.

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, 2364901 + ... + 2364910.

It is an arithmetic number, because the mean of its divisors is an integer number (7094718).

Almost surely, 2^23649055 is an apocalyptic number.

23649055 is a deficient number, since it is larger than the sum of its proper divisors (4729817).

23649055 is an equidigital number, since it uses as much as digits as its factorization.

23649055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4729816.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 23649055 is about 4863.0294056277. The cubic root of 23649055 is about 287.0370318089.

It can be divided in two parts, 2 and 3649055, that multiplied together give a triangular number (7298110 = T₃₈₂₀).

The spelling of 23649055 in words is "twenty-three million, six hundred forty-nine thousand, fifty-five".