23243140122287 has 2 divisors, whose sum is σ = 23243140122288. Its totient is φ = 23243140122286.

The previous prime is 23243140122197. The next prime is 23243140122299. The reversal of 23243140122287 is 78222104134232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23243140122287 - 2¹⁴ = 23243140105903 is a prime.

It is a super-2 number, since 2×23243140122287² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23243140122487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11621570061143 + 11621570061144.

It is an arithmetic number, because the mean of its divisors is an integer number (11621570061144).

Almost surely, 2^{23243140122287} is an apocalyptic number.

23243140122287 is a deficient number, since it is larger than the sum of its proper divisors (1).

23243140122287 is an equidigital number, since it uses as much as digits as its factorization.

23243140122287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 258048, while the sum is 41.

The spelling of 23243140122287 in words is "twenty-three trillion, two hundred forty-three billion, one hundred forty million, one hundred twenty-two thousand, two hundred eighty-seven".