23408355 has 16 divisors (see below), whose sum is σ = 37522080. Its totient is φ = 12461568.

The previous prime is 23408353. The next prime is 23408381. The reversal of 23408355 is 55380432.

It is not a de Polignac number, because 23408355 - 2¹ = 23408353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23408353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9931 + ... + 12059.

It is an arithmetic number, because the mean of its divisors is an integer number (2345130).

Almost surely, 2^23408355 is an apocalyptic number.

23408355 is a deficient number, since it is larger than the sum of its proper divisors (14113725).

23408355 is a wasteful number, since it uses less digits than its factorization.

23408355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2870.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 23408355 is about 4838.2181637458. The cubic root of 23408355 is about 286.0598885131.

Adding to 23408355 its reverse (55380432), we get a palindrome (78788787).

The spelling of 23408355 in words is "twenty-three million, four hundred eight thousand, three hundred fifty-five".