1219733423 has 2 divisors, whose sum is σ = 1219733424. Its totient is φ = 1219733422.

The previous prime is 1219733351. The next prime is 1219733503. The reversal of 1219733423 is 3243379121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1219733423 - 2⁸ = 1219733167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1219733923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 609866711 + 609866712.

It is an arithmetic number, because the mean of its divisors is an integer number (609866712).

Almost surely, 2^1219733423 is an apocalyptic number.

1219733423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1219733423 is an equidigital number, since it uses as much as digits as its factorization.

1219733423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 35.

The square root of 1219733423 is about 34924.6821460124. The cubic root of 1219733423 is about 1068.4518978540.

The spelling of 1219733423 in words is "one billion, two hundred nineteen million, seven hundred thirty-three thousand, four hundred twenty-three".