123366533 has 2 divisors, whose sum is σ = 123366534. Its totient is φ = 123366532.

The previous prime is 123366511. The next prime is 123366541. The reversal of 123366533 is 335663321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115627009 + 7739524 = 10753^2 + 2782^2 .

It is a cyclic number.

It is not a de Polignac number, because 123366533 - 2²⁰ = 122317957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123366533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123366233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61683266 + 61683267.

It is an arithmetic number, because the mean of its divisors is an integer number (61683267).

Almost surely, 2^123366533 is an apocalyptic number.

It is an amenable number.

123366533 is a deficient number, since it is larger than the sum of its proper divisors (1).

123366533 is an equidigital number, since it uses as much as digits as its factorization.

123366533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29160, while the sum is 32.

The square root of 123366533 is about 11107.0487979481. The cubic root of 123366533 is about 497.8124875354.

The spelling of 123366533 in words is "one hundred twenty-three million, three hundred sixty-six thousand, five hundred thirty-three".