233421343 has 2 divisors, whose sum is σ = 233421344. Its totient is φ = 233421342.

The previous prime is 233421313. The next prime is 233421347. The reversal of 233421343 is 343124332.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 233421343 - 2¹³ = 233413151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233421347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116710671 + 116710672.

It is an arithmetic number, because the mean of its divisors is an integer number (116710672).

Almost surely, 2^233421343 is an apocalyptic number.

233421343 is a deficient number, since it is larger than the sum of its proper divisors (1).

233421343 is an equidigital number, since it uses as much as digits as its factorization.

233421343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 25.

The square root of 233421343 is about 15278.1328374903. The cubic root of 233421343 is about 615.7156434441.

Adding to 233421343 its reverse (343124332), we get a palindrome (576545675).

The spelling of 233421343 in words is "two hundred thirty-three million, four hundred twenty-one thousand, three hundred forty-three".