223134451 has 2 divisors, whose sum is σ = 223134452. Its totient is φ = 223134450.

The previous prime is 223134421. The next prime is 223134479. The reversal of 223134451 is 154431322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 223134451 - 2¹⁷ = 223003379 is a prime.

It is a super-3 number, since 3×223134451³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (223134421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111567225 + 111567226.

It is an arithmetic number, because the mean of its divisors is an integer number (111567226).

Almost surely, 2^223134451 is an apocalyptic number.

223134451 is a deficient number, since it is larger than the sum of its proper divisors (1).

223134451 is an equidigital number, since it uses as much as digits as its factorization.

223134451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 25.

The square root of 223134451 is about 14937.6855971733. The cubic root of 223134451 is about 606.5345476023.

Adding to 223134451 its reverse (154431322), we get a palindrome (377565773).

The spelling of 223134451 in words is "two hundred twenty-three million, one hundred thirty-four thousand, four hundred fifty-one".