23662155574061 has 2 divisors, whose sum is σ = 23662155574062. Its totient is φ = 23662155574060.

The previous prime is 23662155574051. The next prime is 23662155574087. The reversal of 23662155574061 is 16047555126632.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11907371898436 + 11754783675625 = 3450706^2 + 3428525^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23662155574061 is a prime.

It is a super-2 number, since 2×23662155574061² (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23662155573994 and 23662155574012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23662155574051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11831077787030 + 11831077787031.

It is an arithmetic number, because the mean of its divisors is an integer number (11831077787031).

Almost surely, 2^{23662155574061} is an apocalyptic number.

It is an amenable number.

23662155574061 is a deficient number, since it is larger than the sum of its proper divisors (1).

23662155574061 is an equidigital number, since it uses as much as digits as its factorization.

23662155574061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072000, while the sum is 53.

The spelling of 23662155574061 in words is "twenty-three trillion, six hundred sixty-two billion, one hundred fifty-five million, five hundred seventy-four thousand, sixty-one".