123133301331 has 16 divisors (see below), whose sum is σ = 175946060544. Its totient is φ = 76397628384.

The previous prime is 123133301327. The next prime is 123133301353. The reversal of 123133301331 is 133103331321.

It is not a de Polignac number, because 123133301331 - 2² = 123133301327 is a prime.

It is a super-2 number, since 2×123133301331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123133301381) 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 15 ways as a sum of consecutive naturals, for example, 24112861 + ... + 24117966.

It is an arithmetic number, because the mean of its divisors is an integer number (10996628784).

Almost surely, 2^123133301331 is an apocalyptic number.

123133301331 is a deficient number, since it is larger than the sum of its proper divisors (52812759213).

123133301331 is a wasteful number, since it uses less digits than its factorization.

123133301331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48230890.

The product of its (nonzero) digits is 1458, while the sum is 24.

Adding to 123133301331 its reverse (133103331321), we get a palindrome (256236632652).

The spelling of 123133301331 in words is "one hundred twenty-three billion, one hundred thirty-three million, three hundred one thousand, three hundred thirty-one".