26423123654 has 16 divisors (see below), whose sum is σ = 40484355120. Its totient is φ = 12931102080.

The previous prime is 26423123653. The next prime is 26423123663. The reversal of 26423123654 is 45632132462.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26423123651) 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 7 ways as a sum of consecutive naturals, for example, 671639 + ... + 709890.

It is an arithmetic number, because the mean of its divisors is an integer number (2530272195).

Almost surely, 2^26423123654 is an apocalyptic number.

26423123654 is a deficient number, since it is larger than the sum of its proper divisors (14061231466).

26423123654 is a wasteful number, since it uses less digits than its factorization.

26423123654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381735.

The product of its digits is 207360, while the sum is 38.

The spelling of 26423123654 in words is "twenty-six billion, four hundred twenty-three million, one hundred twenty-three thousand, six hundred fifty-four".