1109000623 has 2 divisors, whose sum is σ = 1109000624. Its totient is φ = 1109000622.

The previous prime is 1109000561. The next prime is 1109000647. The reversal of 1109000623 is 3260009011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1109000623 - 2⁹ = 1109000111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1109000594 and 1109000603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1109000653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554500311 + 554500312.

It is an arithmetic number, because the mean of its divisors is an integer number (554500312).

Almost surely, 2^1109000623 is an apocalyptic number.

1109000623 is a deficient number, since it is larger than the sum of its proper divisors (1).

1109000623 is an equidigital number, since it uses as much as digits as its factorization.

1109000623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 1109000623 is about 33301.6609645825. The cubic root of 1109000623 is about 1035.0879752830.

Adding to 1109000623 its reverse (3260009011), we get a palindrome (4369009634).

The spelling of 1109000623 in words is "one billion, one hundred nine million, six hundred twenty-three", and thus it is an aban number.