233523481 has 2 divisors, whose sum is σ = 233523482. Its totient is φ = 233523480.

The previous prime is 233523469. The next prime is 233523491. The reversal of 233523481 is 184325332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131331600 + 102191881 = 11460^2 + 10109^2 .

It is a cyclic number.

It is not a de Polignac number, because 233523481 - 2²⁷ = 99305753 is a prime.

It is a super-2 number, since 2×233523481² = 109066432356714722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (233523491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116761740 + 116761741.

It is an arithmetic number, because the mean of its divisors is an integer number (116761741).

Almost surely, 2^233523481 is an apocalyptic number.

It is an amenable number.

233523481 is a deficient number, since it is larger than the sum of its proper divisors (1).

233523481 is an equidigital number, since it uses as much as digits as its factorization.

233523481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 31.

The square root of 233523481 is about 15281.4750924117. The cubic root of 233523481 is about 615.8054364242.

The spelling of 233523481 in words is "two hundred thirty-three million, five hundred twenty-three thousand, four hundred eighty-one".