1122021623 has 2 divisors, whose sum is σ = 1122021624. Its totient is φ = 1122021622.

The previous prime is 1122021599. The next prime is 1122021653. The reversal of 1122021623 is 3261202211.

It is a weak prime.

It is an emirp because it is prime and its reverse (3261202211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1122021623 - 2¹⁴ = 1122005239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1122021595 and 1122021604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122021653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561010811 + 561010812.

It is an arithmetic number, because the mean of its divisors is an integer number (561010812).

Almost surely, 2^1122021623 is an apocalyptic number.

1122021623 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122021623 is an equidigital number, since it uses as much as digits as its factorization.

1122021623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1122021623 is about 33496.5912146296. The cubic root of 1122021623 is about 1039.1232820311.

Adding to 1122021623 its reverse (3261202211), we get a palindrome (4383223834).

The spelling of 1122021623 in words is "one billion, one hundred twenty-two million, twenty-one thousand, six hundred twenty-three".