23501788897 has 2 divisors, whose sum is σ = 23501788898. Its totient is φ = 23501788896.

The previous prime is 23501788837. The next prime is 23501788927. The reversal of 23501788897 is 79888710532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19077410641 + 4424378256 = 138121^2 + 66516^2 .

It is a cyclic number.

It is not a de Polignac number, because 23501788897 - 2³¹ = 21354305249 is a prime.

It is not a weakly prime, because it can be changed into another prime (23501788837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11750894448 + 11750894449.

It is an arithmetic number, because the mean of its divisors is an integer number (11750894449).

Almost surely, 2^23501788897 is an apocalyptic number.

It is an amenable number.

23501788897 is a deficient number, since it is larger than the sum of its proper divisors (1).

23501788897 is an equidigital number, since it uses as much as digits as its factorization.

23501788897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6773760, while the sum is 58.

The spelling of 23501788897 in words is "twenty-three billion, five hundred one million, seven hundred eighty-eight thousand, eight hundred ninety-seven".