23066644251 has 16 divisors (see below), whose sum is σ = 35151400448. Its totient is φ = 13180104000.

The previous prime is 23066644199. The next prime is 23066644253. The reversal of 23066644251 is 15244666032.

It is not a de Polignac number, because 23066644251 - 2¹³ = 23066636059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23066644253) 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 15 ways as a sum of consecutive naturals, for example, 484431 + ... + 529911.

It is an arithmetic number, because the mean of its divisors is an integer number (2196962528).

Almost surely, 2^23066644251 is an apocalyptic number.

23066644251 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23066644251 is a deficient number, since it is larger than the sum of its proper divisors (12084756197).

23066644251 is a wasteful number, since it uses less digits than its factorization.

23066644251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69642.

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 23066644251 in words is "twenty-three billion, sixty-six million, six hundred forty-four thousand, two hundred fifty-one".