23867728465 has 16 divisors (see below), whose sum is σ = 34455669120. Its totient is φ = 15505050240.

The previous prime is 23867728463. The next prime is 23867728483. The reversal of 23867728465 is 56482776832.

It is a happy number.

It is not a de Polignac number, because 23867728465 - 2¹ = 23867728463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23867728463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17944996 + ... + 17946325.

It is an arithmetic number, because the mean of its divisors is an integer number (2153479320).

Almost surely, 2^23867728465 is an apocalyptic number.

It is an amenable number.

23867728465 is a deficient number, since it is larger than the sum of its proper divisors (10587940655).

23867728465 is a wasteful number, since it uses less digits than its factorization.

23867728465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35891352.

The product of its digits is 27095040, while the sum is 58.

The spelling of 23867728465 in words is "twenty-three billion, eight hundred sixty-seven million, seven hundred twenty-eight thousand, four hundred sixty-five".