23853773551 has 2 divisors, whose sum is σ = 23853773552. Its totient is φ = 23853773550.

The previous prime is 23853773543. The next prime is 23853773569. The reversal of 23853773551 is 15537735832.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23853773551 - 2³ = 23853773543 is a prime.

It is a super-3 number, since 3×23853773551³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23853773495 and 23853773504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23853773051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11926886775 + 11926886776.

It is an arithmetic number, because the mean of its divisors is an integer number (11926886776).

Almost surely, 2^23853773551 is an apocalyptic number.

23853773551 is a deficient number, since it is larger than the sum of its proper divisors (1).

23853773551 is an equidigital number, since it uses as much as digits as its factorization.

23853773551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2646000, while the sum is 49.

The spelling of 23853773551 in words is "twenty-three billion, eight hundred fifty-three million, seven hundred seventy-three thousand, five hundred fifty-one".