233868465 has 20 divisors (see below), whose sum is σ = 419231604. Its totient is φ = 124729632.

The previous prime is 233868451. The next prime is 233868487. The reversal of 233868465 is 564868332.

It is a happy number.

233868465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 118004769 + 115863696 = 10863^2 + 10764^2 .

It is a de Polignac number, because none of the positive numbers 2^k-233868465 is a prime.

It is a super-3 number, since 3×233868465³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 233868465.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 288322 + ... + 289131.

Almost surely, 2^233868465 is an apocalyptic number.

It is an amenable number.

233868465 is a deficient number, since it is larger than the sum of its proper divisors (185363139).

233868465 is an equidigital number, since it uses as much as digits as its factorization.

233868465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577470 (or 577461 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The square root of 233868465 is about 15292.7585804524. The cubic root of 233868465 is about 616.1085301339.

The spelling of 233868465 in words is "two hundred thirty-three million, eight hundred sixty-eight thousand, four hundred sixty-five".