23397824281 has 16 divisors (see below), whose sum is σ = 25841104128. Its totient is φ = 21047644800.

The previous prime is 23397824279. The next prime is 23397824309. The reversal of 23397824281 is 18242879332.

It is not a de Polignac number, because 23397824281 - 2¹ = 23397824279 is a prime.

It is a super-2 number, since 2×23397824281² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23397824231) 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, 461470 + ... + 509656.

It is an arithmetic number, because the mean of its divisors is an integer number (1615069008).

Almost surely, 2^23397824281 is an apocalyptic number.

It is an amenable number.

23397824281 is a deficient number, since it is larger than the sum of its proper divisors (2443279847).

23397824281 is a wasteful number, since it uses less digits than its factorization.

23397824281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49152.

The product of its digits is 1161216, while the sum is 49.

The spelling of 23397824281 in words is "twenty-three billion, three hundred ninety-seven million, eight hundred twenty-four thousand, two hundred eighty-one".