123001113213331 has 4 divisors (see below), whose sum is σ = 124686059969752. Its totient is φ = 121316166456912.

The previous prime is 123001113213241. The next prime is 123001113213343. The reversal of 123001113213331 is 133312311100321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123001113213331 - 2¹¹ = 123001113211283 is a prime.

It is a super-2 number, since 2×123001113213331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123001113213296 and 123001113213305.

It is not an unprimeable number, because it can be changed into a prime (123001113213431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 842473378101 + ... + 842473378246.

It is an arithmetic number, because the mean of its divisors is an integer number (31171514992438).

Almost surely, 2^{123001113213331} is an apocalyptic number.

123001113213331 is a deficient number, since it is larger than the sum of its proper divisors (1684946756421).

123001113213331 is an equidigital number, since it uses as much as digits as its factorization.

123001113213331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1684946756420.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 123001113213331 its reverse (133312311100321), we get a palindrome (256313424313652).

The spelling of 123001113213331 in words is "one hundred twenty-three trillion, one billion, one hundred thirteen million, two hundred thirteen thousand, three hundred thirty-one".