201223123301321 has 32 divisors (see below), whose sum is σ = 227061663768576. Its totient is φ = 176666445072000.

The previous prime is 201223123301279. The next prime is 201223123301327. The reversal of 201223123301321 is 123103321322102.

201223123301321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201223123301321 is a prime.

It is a super-2 number, since 2×201223123301321² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (201223123301327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1450888046 + ... + 1451026728.

It is an arithmetic number, because the mean of its divisors is an integer number (7095676992768).

Almost surely, 2^{201223123301321} is an apocalyptic number.

It is an amenable number.

201223123301321 is a deficient number, since it is larger than the sum of its proper divisors (25838540467255).

201223123301321 is a wasteful number, since it uses less digits than its factorization.

201223123301321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147413.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 201223123301321 its reverse (123103321322102), we get a palindrome (324326444623423).

The spelling of 201223123301321 in words is "two hundred one trillion, two hundred twenty-three billion, one hundred twenty-three million, three hundred one thousand, three hundred twenty-one".