23151136066 has 8 divisors (see below), whose sum is σ = 34727963580. Its totient is φ = 11575148208.

The previous prime is 23151136039. The next prime is 23151136079. The reversal of 23151136066 is 66063115132.

It can be written as a sum of positive squares in 2 ways, for example, as 13833288225 + 9317847841 = 117615^2 + 96529^2 .

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

It is a super-2 number, since 2×23151136066² (a number of 22 digits) contains 22 as substring.

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, 135741 + ... + 254416.

Almost surely, 2^23151136066 is an apocalyptic number.

23151136066 is a deficient number, since it is larger than the sum of its proper divisors (11576827514).

23151136066 is a wasteful number, since it uses less digits than its factorization.

23151136066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419828.

The product of its (nonzero) digits is 19440, while the sum is 34.

The spelling of 23151136066 in words is "twenty-three billion, one hundred fifty-one million, one hundred thirty-six thousand, sixty-six".