123265033 has 4 divisors (see below), whose sum is σ = 124355988. Its totient is φ = 122174080.

The previous prime is 123265007. The next prime is 123265049. The reversal of 123265033 is 330562321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 330562321 = 383 ⋅863087.

It can be written as a sum of positive squares in 2 ways, for example, as 43930384 + 79334649 = 6628^2 + 8907^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123265033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123264989 and 123265007.

It is not an unprimeable number, because it can be changed into a prime (123265003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545308 + ... + 545533.

It is an arithmetic number, because the mean of its divisors is an integer number (31088997).

Almost surely, 2^123265033 is an apocalyptic number.

It is an amenable number.

123265033 is a deficient number, since it is larger than the sum of its proper divisors (1090955).

123265033 is a wasteful number, since it uses less digits than its factorization.

123265033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090954.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 123265033 is about 11102.4786872121. The cubic root of 123265033 is about 497.6759247526.

The spelling of 123265033 in words is "one hundred twenty-three million, two hundred sixty-five thousand, thirty-three".