201323121315 has 8 divisors (see below), whose sum is σ = 322116994128. Its totient is φ = 107372331360.

The previous prime is 201323121253. The next prime is 201323121341. The reversal of 201323121315 is 513121323102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201323121315 - 2¹¹ = 201323119267 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6710770696 + ... + 6710770725.

It is an arithmetic number, because the mean of its divisors is an integer number (40264624266).

Almost surely, 2^201323121315 is an apocalyptic number.

201323121315 is a deficient number, since it is larger than the sum of its proper divisors (120793872813).

201323121315 is a wasteful number, since it uses less digits than its factorization.

201323121315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13421541429.

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 201323121315 its reverse (513121323102), we get a palindrome (714444444417).

The spelling of 201323121315 in words is "two hundred one billion, three hundred twenty-three million, one hundred twenty-one thousand, three hundred fifteen".