233420459 has 2 divisors, whose sum is σ = 233420460. Its totient is φ = 233420458.

The previous prime is 233420443. The next prime is 233420477. The reversal of 233420459 is 954024332.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 233420459 - 2⁴ = 233420443 is a prime.

It is a super-4 number, since 4×233420459⁴ (a number of 35 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (233420419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116710229 + 116710230.

It is an arithmetic number, because the mean of its divisors is an integer number (116710230).

Almost surely, 2^233420459 is an apocalyptic number.

233420459 is a deficient number, since it is larger than the sum of its proper divisors (1).

233420459 is an equidigital number, since it uses as much as digits as its factorization.

233420459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 233420459 is about 15278.1039072262. The cubic root of 233420459 is about 615.7148661754.

The spelling of 233420459 in words is "two hundred thirty-three million, four hundred twenty thousand, four hundred fifty-nine".