403222423 has 2 divisors, whose sum is σ = 403222424. Its totient is φ = 403222422.

The previous prime is 403222387. The next prime is 403222429. The reversal of 403222423 is 324222304.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 403222423 - 2⁹ = 403221911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 403222394 and 403222403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (403222429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201611211 + 201611212.

It is an arithmetic number, because the mean of its divisors is an integer number (201611212).

Almost surely, 2^403222423 is an apocalyptic number.

403222423 is a deficient number, since it is larger than the sum of its proper divisors (1).

403222423 is an equidigital number, since it uses as much as digits as its factorization.

403222423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 403222423 is about 20080.3989751200. The cubic root of 403222423 is about 738.7795948226.

Adding to 403222423 its reverse (324222304), we get a palindrome (727444727).

The spelling of 403222423 in words is "four hundred three million, two hundred twenty-two thousand, four hundred twenty-three".