1100320423 has 2 divisors, whose sum is σ = 1100320424. Its totient is φ = 1100320422.

The previous prime is 1100320409. The next prime is 1100320493. The reversal of 1100320423 is 3240230011.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (3240230011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1100320423 - 2²¹ = 1098223271 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1100320397 and 1100320406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100320493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550160211 + 550160212.

It is an arithmetic number, because the mean of its divisors is an integer number (550160212).

Almost surely, 2^1100320423 is an apocalyptic number.

1100320423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100320423 is an equidigital number, since it uses as much as digits as its factorization.

1100320423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1100320423 is about 33171.0781103057. The cubic root of 1100320423 is about 1032.3803379351.

Adding to 1100320423 its reverse (3240230011), we get a palindrome (4340550434).

The spelling of 1100320423 in words is "one billion, one hundred million, three hundred twenty thousand, four hundred twenty-three".