233115505 has 16 divisors (see below), whose sum is σ = 330015744. Its totient is φ = 154693440.

The previous prime is 233115481. The next prime is 233115529. The reversal of 233115505 is 505511332.

It is an interprime number because it is at equal distance from previous prime (233115481) and next prime (233115529).

It is not a de Polignac number, because 233115505 - 2¹¹ = 233113457 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 233115505.

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, 106342 + ... + 108511.

It is an arithmetic number, because the mean of its divisors is an integer number (20625984).

Almost surely, 2^233115505 is an apocalyptic number.

It is an amenable number.

233115505 is a deficient number, since it is larger than the sum of its proper divisors (96900239).

233115505 is a wasteful number, since it uses less digits than its factorization.

233115505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214896.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 233115505 is about 15268.1205457646. The cubic root of 233115505 is about 615.4466141402.

Adding to 233115505 its reverse (505511332), we get a palindrome (738626837).

The spelling of 233115505 in words is "two hundred thirty-three million, one hundred fifteen thousand, five hundred five".