23545100947 has 2 divisors, whose sum is σ = 23545100948. Its totient is φ = 23545100946.

The previous prime is 23545100879. The next prime is 23545100959. The reversal of 23545100947 is 74900154532.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23545100947 - 2¹⁵ = 23545068179 is a prime.

It is not a weakly prime, because it can be changed into another prime (23545100977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11772550473 + 11772550474.

It is an arithmetic number, because the mean of its divisors is an integer number (11772550474).

Almost surely, 2^23545100947 is an apocalyptic number.

23545100947 is a deficient number, since it is larger than the sum of its proper divisors (1).

23545100947 is an equidigital number, since it uses as much as digits as its factorization.

23545100947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 23545100947 in words is "twenty-three billion, five hundred forty-five million, one hundred thousand, nine hundred forty-seven".