123055133 has 4 divisors (see below), whose sum is σ = 123112380. Its totient is φ = 122997888.

The previous prime is 123055109. The next prime is 123055139. The reversal of 123055133 is 331550321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 331550321 = 7829 ⋅42349.

It can be written as a sum of positive squares in 2 ways, for example, as 97673689 + 25381444 = 9883^2 + 5038^2 .

It is a cyclic number.

It is not a de Polignac number, because 123055133 - 2¹² = 123051037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123055099 and 123055108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123055139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25268 + ... + 29741.

It is an arithmetic number, because the mean of its divisors is an integer number (30778095).

Almost surely, 2^123055133 is an apocalyptic number.

It is an amenable number.

123055133 is a deficient number, since it is larger than the sum of its proper divisors (57247).

123055133 is an equidigital number, since it uses as much as digits as its factorization.

123055133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57246.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 123055133 is about 11093.0218155379. The cubic root of 123055133 is about 497.3932776137.

The spelling of 123055133 in words is "one hundred twenty-three million, fifty-five thousand, one hundred thirty-three".