23506746853 has 2 divisors, whose sum is σ = 23506746854. Its totient is φ = 23506746852.

The previous prime is 23506746847. The next prime is 23506746869. The reversal of 23506746853 is 35864760532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23142624129 + 364122724 = 152127^2 + 19082^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23506746853 is a prime.

It is a super-2 number, since 2×23506746853² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23506746797 and 23506746806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23506546853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11753373426 + 11753373427.

It is an arithmetic number, because the mean of its divisors is an integer number (11753373427).

Almost surely, 2^23506746853 is an apocalyptic number.

It is an amenable number.

23506746853 is a deficient number, since it is larger than the sum of its proper divisors (1).

23506746853 is an equidigital number, since it uses as much as digits as its factorization.

23506746853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3628800, while the sum is 49.

The spelling of 23506746853 in words is "twenty-three billion, five hundred six million, seven hundred forty-six thousand, eight hundred fifty-three".