1122409723 has 2 divisors, whose sum is σ = 1122409724. Its totient is φ = 1122409722.

The previous prime is 1122409709. The next prime is 1122409753. The reversal of 1122409723 is 3279042211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1122409723 - 2²⁵ = 1088855291 is a prime.

It is not a weakly prime, because it can be changed into another prime (1122409753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561204861 + 561204862.

It is an arithmetic number, because the mean of its divisors is an integer number (561204862).

Almost surely, 2^1122409723 is an apocalyptic number.

1122409723 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122409723 is an equidigital number, since it uses as much as digits as its factorization.

1122409723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 1122409723 is about 33502.3838405568. The cubic root of 1122409723 is about 1039.2430768873.

The spelling of 1122409723 in words is "one billion, one hundred twenty-two million, four hundred nine thousand, seven hundred twenty-three".