133321103123 has 48 divisors (see below), whose sum is σ = 152543611584. Its totient is φ = 116237721600.

The previous prime is 133321103107. The next prime is 133321103131. The reversal of 133321103123 is 321301123331.

It is not a de Polignac number, because 133321103123 - 2⁴ = 133321103107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (133321103323) 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 47 ways as a sum of consecutive naturals, for example, 190186673 + ... + 190187373.

It is an arithmetic number, because the mean of its divisors is an integer number (3177991908).

Almost surely, 2^133321103123 is an apocalyptic number.

133321103123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

133321103123 is a deficient number, since it is larger than the sum of its proper divisors (19222508461).

133321103123 is a wasteful number, since it uses less digits than its factorization.

133321103123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296 (or 1283 counting only the distinct ones).

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

Adding to 133321103123 its reverse (321301123331), we get a palindrome (454622226454).

The spelling of 133321103123 in words is "one hundred thirty-three billion, three hundred twenty-one million, one hundred three thousand, one hundred twenty-three".