23201255 has 24 divisors (see below), whose sum is σ = 35335440. Its totient is φ = 14461440.

The previous prime is 23201251. The next prime is 23201263. The reversal of 23201255 is 55210232.

It is not a de Polignac number, because 23201255 - 2² = 23201251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23201251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1610 + ... + 6999.

It is an arithmetic number, because the mean of its divisors is an integer number (1472310).

Almost surely, 2^23201255 is an apocalyptic number.

23201255 is a deficient number, since it is larger than the sum of its proper divisors (12134185).

23201255 is a wasteful number, since it uses less digits than its factorization.

23201255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8639 (or 8632 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 23201255 is about 4816.7681073517. The cubic root of 23201255 is about 285.2137721063.

Adding to 23201255 its reverse (55210232), we get a palindrome (78411487).

The spelling of 23201255 in words is "twenty-three million, two hundred one thousand, two hundred fifty-five".