2159089123 has 2 divisors, whose sum is σ = 2159089124. Its totient is φ = 2159089122.

The previous prime is 2159089109. The next prime is 2159089139. The reversal of 2159089123 is 3219809512.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2159089123 is a prime.

It is not a weakly prime, because it can be changed into another prime (2159089223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1079544561 + 1079544562.

It is an arithmetic number, because the mean of its divisors is an integer number (1079544562).

Almost surely, 2^2159089123 is an apocalyptic number.

2159089123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2159089123 is an equidigital number, since it uses as much as digits as its factorization.

2159089123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 2159089123 is about 46465.9996449016. Note that the first 3 decimals coincide. The cubic root of 2159089123 is about 1292.4790824520.

The spelling of 2159089123 in words is "two billion, one hundred fifty-nine million, eighty-nine thousand, one hundred twenty-three".