23520040867 has 2 divisors, whose sum is σ = 23520040868. Its totient is φ = 23520040866.

The previous prime is 23520040811. The next prime is 23520040903. The reversal of 23520040867 is 76804002532.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23520040867 is a prime.

It is a super-3 number, since 3×23520040867³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (23520040367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11760020433 + 11760020434.

It is an arithmetic number, because the mean of its divisors is an integer number (11760020434).

Almost surely, 2^23520040867 is an apocalyptic number.

23520040867 is a deficient number, since it is larger than the sum of its proper divisors (1).

23520040867 is an equidigital number, since it uses as much as digits as its factorization.

23520040867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 23520040867 in words is "twenty-three billion, five hundred twenty million, forty thousand, eight hundred sixty-seven".