403223407 has 2 divisors, whose sum is σ = 403223408. Its totient is φ = 403223406.

The previous prime is 403223389. The next prime is 403223449. The reversal of 403223407 is 704322304.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-403223407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (403223467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201611703 + 201611704.

It is an arithmetic number, because the mean of its divisors is an integer number (201611704).

Almost surely, 2^403223407 is an apocalyptic number.

403223407 is a deficient number, since it is larger than the sum of its proper divisors (1).

403223407 is an equidigital number, since it uses as much as digits as its factorization.

403223407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 403223407 is about 20080.4234766102. The cubic root of 403223407 is about 738.7801957800.

The spelling of 403223407 in words is "four hundred three million, two hundred twenty-three thousand, four hundred seven".