26863401123 has 24 divisors (see below), whose sum is σ = 43986859280. Its totient is φ = 15661252800.

The previous prime is 26863401053. The next prime is 26863401127. The reversal of 26863401123 is 32110436862.

26863401123 is a `hidden beast` number, since 2 + 6 + 8 + 634 + 0 + 1 + 12 + 3 = 666.

It is not a de Polignac number, because 26863401123 - 2¹⁰ = 26863400099 is a prime.

It is a super-2 number, since 2×26863401123² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (26863401127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6039928 + ... + 6044373.

Almost surely, 2^26863401123 is an apocalyptic number.

26863401123 is a deficient number, since it is larger than the sum of its proper divisors (17123458157).

26863401123 is a wasteful number, since it uses less digits than its factorization.

26863401123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12084339 (or 12084336 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

Adding to 26863401123 its reverse (32110436862), we get a palindrome (58973837985).

The spelling of 26863401123 in words is "twenty-six billion, eight hundred sixty-three million, four hundred one thousand, one hundred twenty-three".