233230477 has 2 divisors, whose sum is σ = 233230478. Its totient is φ = 233230476.

The previous prime is 233230457. The next prime is 233230483. The reversal of 233230477 is 774032332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 208340356 + 24890121 = 14434^2 + 4989^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-233230477 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233230457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116615238 + 116615239.

It is an arithmetic number, because the mean of its divisors is an integer number (116615239).

Almost surely, 2^233230477 is an apocalyptic number.

It is an amenable number.

233230477 is a deficient number, since it is larger than the sum of its proper divisors (1).

233230477 is an equidigital number, since it uses as much as digits as its factorization.

233230477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 31.

The square root of 233230477 is about 15271.8851816009. The cubic root of 233230477 is about 615.5477764353.

The spelling of 233230477 in words is "two hundred thirty-three million, two hundred thirty thousand, four hundred seventy-seven".