23633447072461 has 2 divisors, whose sum is σ = 23633447072462. Its totient is φ = 23633447072460.

The previous prime is 23633447072437. The next prime is 23633447072479. The reversal of 23633447072461 is 16427074433632.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16287124704361 + 7346322368100 = 4035731^2 + 2710410^2 .

It is a cyclic number.

It is not a de Polignac number, because 23633447072461 - 2¹¹ = 23633447070413 is a prime.

It is a super-2 number, since 2×23633447072461² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23633447072399 and 23633447072408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23633447022461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11816723536230 + 11816723536231.

It is an arithmetic number, because the mean of its divisors is an integer number (11816723536231).

Almost surely, 2^{23633447072461} is an apocalyptic number.

It is an amenable number.

23633447072461 is a deficient number, since it is larger than the sum of its proper divisors (1).

23633447072461 is an equidigital number, since it uses as much as digits as its factorization.

23633447072461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12192768, while the sum is 52.

The spelling of 23633447072461 in words is "twenty-three trillion, six hundred thirty-three billion, four hundred forty-seven million, seventy-two thousand, four hundred sixty-one".