123120311332 has 36 divisors (see below), whose sum is σ = 219341582208. Its totient is φ = 60458907600.

The previous prime is 123120311257. The next prime is 123120311339. The reversal of 123120311332 is 233113021321.

It is a super-3 number, since 3×123120311332³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (123120311339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20854293 + ... + 20860195.

It is an arithmetic number, because the mean of its divisors is an integer number (6092821728).

Almost surely, 2^123120311332 is an apocalyptic number.

It is an amenable number.

123120311332 is a deficient number, since it is larger than the sum of its proper divisors (96221270876).

123120311332 is an equidigital number, since it uses as much as digits as its factorization.

123120311332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6520 (or 6247 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 123120311332 its reverse (233113021321), we get a palindrome (356233332653).

The spelling of 123120311332 in words is "one hundred twenty-three billion, one hundred twenty million, three hundred eleven thousand, three hundred thirty-two".