23242555 has 16 divisors (see below), whose sum is σ = 31958784. Its totient is φ = 15896160.

The previous prime is 23242547. The next prime is 23242589. The reversal of 23242555 is 55524232.

It is not a de Polignac number, because 23242555 - 2³ = 23242547 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19404 + ... + 20566.

It is an arithmetic number, because the mean of its divisors is an integer number (1997424).

Almost surely, 2^23242555 is an apocalyptic number.

23242555 is a deficient number, since it is larger than the sum of its proper divisors (8716229).

23242555 is a wasteful number, since it uses less digits than its factorization.

23242555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746.

The product of its digits is 12000, while the sum is 28.

The square root of 23242555 is about 4821.0533081475. The cubic root of 23242555 is about 285.3829058640.

Adding to 23242555 its reverse (55524232), we get a palindrome (78766787).

The spelling of 23242555 in words is "twenty-three million, two hundred forty-two thousand, five hundred fifty-five".