23113331947 has 2 divisors, whose sum is σ = 23113331948. Its totient is φ = 23113331946.

The previous prime is 23113331929. The next prime is 23113332023. The reversal of 23113331947 is 74913331132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23113331947 - 2²³ = 23104943339 is a prime.

It is a super-2 number, since 2×23113331947² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23113371947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11556665973 + 11556665974.

It is an arithmetic number, because the mean of its divisors is an integer number (11556665974).

Almost surely, 2^23113331947 is an apocalyptic number.

23113331947 is a deficient number, since it is larger than the sum of its proper divisors (1).

23113331947 is an equidigital number, since it uses as much as digits as its factorization.

23113331947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 37.

The spelling of 23113331947 in words is "twenty-three billion, one hundred thirteen million, three hundred thirty-one thousand, nine hundred forty-seven".