123213031133 has 8 divisors (see below), whose sum is σ = 124704094368. Its totient is φ = 121722124464.

The previous prime is 123213031099. The next prime is 123213031157. The reversal of 123213031133 is 331130312321.

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

It is a cyclic number.

It is not a de Polignac number, because 123213031133 - 2¹⁶ = 123212965597 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123213031099 and 123213031108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123213031433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2669891 + ... + 2715647.

It is an arithmetic number, because the mean of its divisors is an integer number (15588011796).

Almost surely, 2^123213031133 is an apocalyptic number.

It is an amenable number.

123213031133 is a deficient number, since it is larger than the sum of its proper divisors (1491063235).

123213031133 is an equidigital number, since it uses as much as digits as its factorization.

123213031133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78283.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 123213031133 its reverse (331130312321), we get a palindrome (454343343454).

The spelling of 123213031133 in words is "one hundred twenty-three billion, two hundred thirteen million, thirty-one thousand, one hundred thirty-three".