23387280161 has 64 divisors (see below), whose sum is σ = 28934184960. Its totient is φ = 18488321280.

The previous prime is 23387280149. The next prime is 23387280167. The reversal of 23387280161 is 16108278332.

It is a cyclic number.

It is not a de Polignac number, because 23387280161 - 2¹⁰ = 23387279137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23387280167) 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 63 ways as a sum of consecutive naturals, for example, 54262616 + ... + 54263046.

It is an arithmetic number, because the mean of its divisors is an integer number (452096640).

Almost surely, 2^23387280161 is an apocalyptic number.

It is an amenable number.

23387280161 is a deficient number, since it is larger than the sum of its proper divisors (5546904799).

23387280161 is a wasteful number, since it uses less digits than its factorization.

23387280161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654.

The product of its (nonzero) digits is 96768, while the sum is 41.

The spelling of 23387280161 in words is "twenty-three billion, three hundred eighty-seven million, two hundred eighty thousand, one hundred sixty-one".