23528114209 has 2 divisors, whose sum is σ = 23528114210. Its totient is φ = 23528114208.

The previous prime is 23528114191. The next prime is 23528114213. The reversal of 23528114209 is 90241182532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21735015184 + 1793099025 = 147428^2 + 42345^2 .

It is a cyclic number.

It is not a de Polignac number, because 23528114209 - 2¹¹ = 23528112161 is a prime.

It is not a weakly prime, because it can be changed into another prime (23528114009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11764057104 + 11764057105.

It is an arithmetic number, because the mean of its divisors is an integer number (11764057105).

Almost surely, 2^23528114209 is an apocalyptic number.

It is an amenable number.

23528114209 is a deficient number, since it is larger than the sum of its proper divisors (1).

23528114209 is an equidigital number, since it uses as much as digits as its factorization.

23528114209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 23528114209 in words is "twenty-three billion, five hundred twenty-eight million, one hundred fourteen thousand, two hundred nine".