230133761 has 32 divisors (see below), whose sum is σ = 279756288. Its totient is φ = 186531840.

The previous prime is 230133751. The next prime is 230133767. The reversal of 230133761 is 167331032.

It is a de Polignac number, because none of the positive numbers 2^k-230133761 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 230133761.

It is not an unprimeable number, because it can be changed into a prime (230133767) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 651761 + ... + 652113.

It is an arithmetic number, because the mean of its divisors is an integer number (8742384).

Almost surely, 2^230133761 is an apocalyptic number.

It is an amenable number.

230133761 is a deficient number, since it is larger than the sum of its proper divisors (49622527).

230133761 is a wasteful number, since it uses less digits than its factorization.

230133761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 230133761 is about 15170.1602166886. The cubic root of 230133761 is about 612.8113189551.

Adding to 230133761 its reverse (167331032), we get a palindrome (397464793).

The spelling of 230133761 in words is "two hundred thirty million, one hundred thirty-three thousand, seven hundred sixty-one".