10909807123 has 2 divisors, whose sum is σ = 10909807124. Its totient is φ = 10909807122.

The previous prime is 10909807093. The next prime is 10909807127. The reversal of 10909807123 is 32170890901.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10909807123 - 2¹⁷ = 10909676051 is a prime.

It is a super-2 number, since 2×10909807123² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10909807127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5454903561 + 5454903562.

It is an arithmetic number, because the mean of its divisors is an integer number (5454903562).

Almost surely, 2^10909807123 is an apocalyptic number.

10909807123 is a deficient number, since it is larger than the sum of its proper divisors (1).

10909807123 is an equidigital number, since it uses as much as digits as its factorization.

10909807123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 40.

The spelling of 10909807123 in words is "ten billion, nine hundred nine million, eight hundred seven thousand, one hundred twenty-three".