123033091 has 2 divisors, whose sum is σ = 123033092. Its totient is φ = 123033090.

The previous prime is 123033067. The next prime is 123033107. The reversal of 123033091 is 190330321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123033091 - 2¹³ = 123024899 is a prime.

It is not a weakly prime, because it can be changed into another prime (123033791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61516545 + 61516546.

It is an arithmetic number, because the mean of its divisors is an integer number (61516546).

Almost surely, 2^123033091 is an apocalyptic number.

123033091 is a deficient number, since it is larger than the sum of its proper divisors (1).

123033091 is an equidigital number, since it uses as much as digits as its factorization.

123033091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 123033091 is about 11092.0282635774. The cubic root of 123033091 is about 497.3635776545.

The spelling of 123033091 in words is "one hundred twenty-three million, thirty-three thousand, ninety-one".