23072354887 has 2 divisors, whose sum is σ = 23072354888. Its totient is φ = 23072354886.

The previous prime is 23072354869. The next prime is 23072354897. The reversal of 23072354887 is 78845327032.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23072354887 - 2¹¹ = 23072352839 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23072354887.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23072354827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11536177443 + 11536177444.

It is an arithmetic number, because the mean of its divisors is an integer number (11536177444).

Almost surely, 2^23072354887 is an apocalyptic number.

23072354887 is a deficient number, since it is larger than the sum of its proper divisors (1).

23072354887 is an equidigital number, since it uses as much as digits as its factorization.

23072354887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2257920, while the sum is 49.

The spelling of 23072354887 in words is "twenty-three billion, seventy-two million, three hundred fifty-four thousand, eight hundred eighty-seven".