23783977728011 has 2 divisors, whose sum is σ = 23783977728012. Its totient is φ = 23783977728010.

The previous prime is 23783977727999. The next prime is 23783977728053. The reversal of 23783977728011 is 11082777938732.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23783977728011 - 2³⁰ = 23782903986187 is a prime.

It is a super-2 number, since 2×23783977728011² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23783977728211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11891988864005 + 11891988864006.

It is an arithmetic number, because the mean of its divisors is an integer number (11891988864006).

Almost surely, 2^{23783977728011} is an apocalyptic number.

23783977728011 is a deficient number, since it is larger than the sum of its proper divisors (1).

23783977728011 is an equidigital number, since it uses as much as digits as its factorization.

23783977728011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49787136, while the sum is 65.

The spelling of 23783977728011 in words is "twenty-three trillion, seven hundred eighty-three billion, nine hundred seventy-seven million, seven hundred twenty-eight thousand, eleven".