223481407 has 2 divisors, whose sum is σ = 223481408. Its totient is φ = 223481406.

The previous prime is 223481399. The next prime is 223481411. The reversal of 223481407 is 704184322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 223481407 - 2³ = 223481399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223481497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111740703 + 111740704.

It is an arithmetic number, because the mean of its divisors is an integer number (111740704).

Almost surely, 2^223481407 is an apocalyptic number.

223481407 is a deficient number, since it is larger than the sum of its proper divisors (1).

223481407 is an equidigital number, since it uses as much as digits as its factorization.

223481407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 223481407 is about 14949.2945318500. The cubic root of 223481407 is about 606.8487555024.

The spelling of 223481407 in words is "two hundred twenty-three million, four hundred eighty-one thousand, four hundred seven".