233430481 has 2 divisors, whose sum is σ = 233430482. Its totient is φ = 233430480.

The previous prime is 233430443. The next prime is 233430503. The reversal of 233430481 is 184034332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 224520256 + 8910225 = 14984^2 + 2985^2 .

It is a cyclic number.

It is not a de Polignac number, because 233430481 - 2¹³ = 233422289 is a prime.

It is a super-2 number, since 2×233430481² = 108979578919782722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (233430401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116715240 + 116715241.

It is an arithmetic number, because the mean of its divisors is an integer number (116715241).

Almost surely, 2^233430481 is an apocalyptic number.

It is an amenable number.

233430481 is a deficient number, since it is larger than the sum of its proper divisors (1).

233430481 is an equidigital number, since it uses as much as digits as its factorization.

233430481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 233430481 is about 15278.4318894316. The cubic root of 233430481 is about 615.7236780366.

The spelling of 233430481 in words is "two hundred thirty-three million, four hundred thirty thousand, four hundred eighty-one".