23126206356 has 36 divisors (see below), whose sum is σ = 63772267104. Its totient is φ = 7007941200.

The previous prime is 23126206349. The next prime is 23126206381. The reversal of 23126206356 is 65360262132.

23126206356 is a `hidden beast` number, since 2 + 3 + 12 + 6 + 2 + 0 + 635 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 23126206356.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 29199360 + ... + 29200151.

It is an arithmetic number, because the mean of its divisors is an integer number (1771451864).

Almost surely, 2^23126206356 is an apocalyptic number.

It is an amenable number.

23126206356 is an abundant number, since it is smaller than the sum of its proper divisors (40646060748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23126206356 is a wasteful number, since it uses less digits than its factorization.

23126206356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58399532 (or 58399527 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

Adding to 23126206356 its reverse (65360262132), we get a palindrome (88486468488).

The spelling of 23126206356 in words is "twenty-three billion, one hundred twenty-six million, two hundred six thousand, three hundred fifty-six".