23951677066 has 4 divisors (see below), whose sum is σ = 35927515602. Its totient is φ = 11975838532.

The previous prime is 23951677037. The next prime is 23951677069. The reversal of 23951677066 is 66077615932.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 22639716225 + 1311960841 = 150465^2 + 36221^2 .

It is not an unprimeable number, because it can be changed into a prime (23951677069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5987919265 + ... + 5987919268.

Almost surely, 2^23951677066 is an apocalyptic number.

23951677066 is a deficient number, since it is larger than the sum of its proper divisors (11975838536).

23951677066 is a wasteful number, since it uses less digits than its factorization.

23951677066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11975838535.

The product of its (nonzero) digits is 2857680, while the sum is 52.

The spelling of 23951677066 in words is "twenty-three billion, nine hundred fifty-one million, six hundred seventy-seven thousand, sixty-six".