123100232133 has 4 divisors (see below), whose sum is σ = 164133642848. Its totient is φ = 82066821420.

The previous prime is 123100232131. The next prime is 123100232147. The reversal of 123100232133 is 331232001321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 123100232133 - 2¹ = 123100232131 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123100232131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20516705353 + ... + 20516705358.

It is an arithmetic number, because the mean of its divisors is an integer number (41033410712).

Almost surely, 2^123100232133 is an apocalyptic number.

It is an amenable number.

123100232133 is a deficient number, since it is larger than the sum of its proper divisors (41033410715).

123100232133 is an equidigital number, since it uses as much as digits as its factorization.

123100232133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41033410714.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 123100232133 its reverse (331232001321), we get a palindrome (454332233454).

The spelling of 123100232133 in words is "one hundred twenty-three billion, one hundred million, two hundred thirty-two thousand, one hundred thirty-three".