123330331 has 4 divisors (see below), whose sum is σ = 123398464. Its totient is φ = 123262200.

The previous prime is 123330271. The next prime is 123330341. The reversal of 123330331 is 133033321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133033321 = 2161 ⋅61561.

It is a cyclic number.

It is not a de Polignac number, because 123330331 - 2¹³ = 123322139 is a prime.

It is a super-2 number, since 2×123330331² = 30420741089139122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123330299 and 123330308.

It is not an unprimeable number, because it can be changed into a prime (123330341) 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, 31275 + ... + 34996.

It is an arithmetic number, because the mean of its divisors is an integer number (30849616).

Almost surely, 2^123330331 is an apocalyptic number.

123330331 is a deficient number, since it is larger than the sum of its proper divisors (68133).

123330331 is an equidigital number, since it uses as much as digits as its factorization.

123330331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68132.

The product of its (nonzero) digits is 486, while the sum is 19.

The square root of 123330331 is about 11105.4189925459. The cubic root of 123330331 is about 497.7637882910.

Adding to 123330331 its reverse (133033321), we get a palindrome (256363652).

The spelling of 123330331 in words is "one hundred twenty-three million, three hundred thirty thousand, three hundred thirty-one".