23038455 has 16 divisors (see below), whose sum is σ = 40212864. Its totient is φ = 11170080.

The previous prime is 23038453. The next prime is 23038459. The reversal of 23038455 is 55483032.

It is not a de Polignac number, because 23038455 - 2¹ = 23038453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23038453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69649 + ... + 69978.

It is an arithmetic number, because the mean of its divisors is an integer number (2513304).

Almost surely, 2^23038455 is an apocalyptic number.

23038455 is a deficient number, since it is larger than the sum of its proper divisors (17174409).

23038455 is a wasteful number, since it uses less digits than its factorization.

23038455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139646.

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

The square root of 23038455 is about 4799.8390598019. The cubic root of 23038455 is about 284.5451038002.

The spelling of 23038455 in words is "twenty-three million, thirty-eight thousand, four hundred fifty-five".