23809321897401 has 4 divisors (see below), whose sum is σ = 31745762529872. Its totient is φ = 15872881264932.

The previous prime is 23809321897399. The next prime is 23809321897423. The reversal of 23809321897401 is 10479812390832.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 23809321897401 - 2¹ = 23809321897399 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23809321897441) 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 3 ways as a sum of consecutive naturals, for example, 3968220316231 + ... + 3968220316236.

It is an arithmetic number, because the mean of its divisors is an integer number (7936440632468).

Almost surely, 2^{23809321897401} is an apocalyptic number.

It is an amenable number.

23809321897401 is a deficient number, since it is larger than the sum of its proper divisors (7936440632471).

23809321897401 is an equidigital number, since it uses as much as digits as its factorization.

23809321897401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7936440632470.

The product of its (nonzero) digits is 5225472, while the sum is 57.

The spelling of 23809321897401 in words is "twenty-three trillion, eight hundred nine billion, three hundred twenty-one million, eight hundred ninety-seven thousand, four hundred one".