423223212403 has 2 divisors, whose sum is σ = 423223212404. Its totient is φ = 423223212402.

The previous prime is 423223212331. The next prime is 423223212409. The reversal of 423223212403 is 304212322324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423223212403 - 2²⁹ = 422686341491 is a prime.

It is not a weakly prime, because it can be changed into another prime (423223212409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211611606201 + 211611606202.

It is an arithmetic number, because the mean of its divisors is an integer number (211611606202).

Almost surely, 2^423223212403 is an apocalyptic number.

423223212403 is a deficient number, since it is larger than the sum of its proper divisors (1).

423223212403 is an equidigital number, since it uses as much as digits as its factorization.

423223212403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 423223212403 its reverse (304212322324), we get a palindrome (727435534727).

The spelling of 423223212403 in words is "four hundred twenty-three billion, two hundred twenty-three million, two hundred twelve thousand, four hundred three".