201001232313123 has 64 divisors (see below), whose sum is σ = 302343076085760. Its totient is φ = 117730372320000.

The previous prime is 201001232313059. The next prime is 201001232313139. The reversal of 201001232313123 is 321313232100102.

It is not a de Polignac number, because 201001232313123 - 2⁶ = 201001232313059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201001232313093 and 201001232313102.

It is not an unprimeable number, because it can be changed into a prime (201001232313163) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 102697836 + ... + 104636742.

It is an arithmetic number, because the mean of its divisors is an integer number (4724110563840).

Almost surely, 2^{201001232313123} is an apocalyptic number.

201001232313123 is a deficient number, since it is larger than the sum of its proper divisors (101341843772637).

201001232313123 is a wasteful number, since it uses less digits than its factorization.

201001232313123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1939808.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 201001232313123 its reverse (321313232100102), we get a palindrome (522314464413225).

The spelling of 201001232313123 in words is "two hundred one trillion, one billion, two hundred thirty-two million, three hundred thirteen thousand, one hundred twenty-three".