201312121233223 has 32 divisors (see below), whose sum is σ = 274327424663040. Its totient is φ = 142638734367360.

The previous prime is 201312121233211. The next prime is 201312121233227. The reversal of 201312121233223 is 322332121213102.

It is not a de Polignac number, because 201312121233223 - 2⁹ = 201312121232711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201312121233191 and 201312121233200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201312121233227) 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, 1500761368 + ... + 1500895501.

It is an arithmetic number, because the mean of its divisors is an integer number (8572732020720).

Almost surely, 2^{201312121233223} is an apocalyptic number.

201312121233223 is a deficient number, since it is larger than the sum of its proper divisors (73015303429817).

201312121233223 is a wasteful number, since it uses less digits than its factorization.

201312121233223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3001656967.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 201312121233223 its reverse (322332121213102), we get a palindrome (523644242446325).

The spelling of 201312121233223 in words is "two hundred one trillion, three hundred twelve billion, one hundred twenty-one million, two hundred thirty-three thousand, two hundred twenty-three".