10623955999 has 4 divisors (see below), whose sum is σ = 10849997664. Its totient is φ = 10397914336.

The previous prime is 10623955997. The next prime is 10623956041. The reversal of 10623955999 is 99955932601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99955932601 = 7 ⋅14279418943.

It is a cyclic number.

It is not a de Polignac number, because 10623955999 - 2¹ = 10623955997 is a prime.

It is a super-2 number, since 2×10623955999² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10623955997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113020762 + ... + 113020855.

It is an arithmetic number, because the mean of its divisors is an integer number (2712499416).

Almost surely, 2^10623955999 is an apocalyptic number.

10623955999 is a deficient number, since it is larger than the sum of its proper divisors (226041665).

10623955999 is an equidigital number, since it uses as much as digits as its factorization.

10623955999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226041664.

The product of its (nonzero) digits is 5904900, while the sum is 58.

The spelling of 10623955999 in words is "ten billion, six hundred twenty-three million, nine hundred fifty-five thousand, nine hundred ninety-nine".