23256221266 has 8 divisors (see below), whose sum is σ = 36009633024. Its totient is φ = 11253010260.

The previous prime is 23256221239. The next prime is 23256221279. The reversal of 23256221266 is 66212265232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 187550110 + ... + 187550233.

It is an arithmetic number, because the mean of its divisors is an integer number (4501204128).

Almost surely, 2^23256221266 is an apocalyptic number.

23256221266 is a deficient number, since it is larger than the sum of its proper divisors (12753411758).

23256221266 is a wasteful number, since it uses less digits than its factorization.

23256221266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375100376.

The product of its digits is 103680, while the sum is 37.

Adding to 23256221266 its reverse (66212265232), we get a palindrome (89468486498).

It can be divided in two parts, 232562 and 21266, that added together give a triangular number (253828 = T₇₁₂).

The spelling of 23256221266 in words is "twenty-three billion, two hundred fifty-six million, two hundred twenty-one thousand, two hundred sixty-six".