23212341403523 has 16 divisors (see below), whose sum is σ = 23945640428544. Its totient is φ = 22490440140960.

The previous prime is 23212341403519. The next prime is 23212341403541. The reversal of 23212341403523 is 32530414321232.

It is a cyclic number.

It is not a de Polignac number, because 23212341403523 - 2² = 23212341403519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23212341406523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291473636 + ... + 291553262.

It is an arithmetic number, because the mean of its divisors is an integer number (1496602526784).

Almost surely, 2^{23212341403523} is an apocalyptic number.

23212341403523 is a deficient number, since it is larger than the sum of its proper divisors (733299025021).

23212341403523 is an equidigital number, since it uses as much as digits as its factorization.

23212341403523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151082.

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 23212341403523 its reverse (32530414321232), we get a palindrome (55742755724755).

The spelling of 23212341403523 in words is "twenty-three trillion, two hundred twelve billion, three hundred forty-one million, four hundred three thousand, five hundred twenty-three".