123033330989 has 2 divisors, whose sum is σ = 123033330990. Its totient is φ = 123033330988.

The previous prime is 123033330967. The next prime is 123033331021. The reversal of 123033330989 is 989033330321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67498638025 + 55534692964 = 259805^2 + 235658^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123033330989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123033330389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61516665494 + 61516665495.

It is an arithmetic number, because the mean of its divisors is an integer number (61516665495).

Almost surely, 2^123033330989 is an apocalyptic number.

It is an amenable number.

123033330989 is a deficient number, since it is larger than the sum of its proper divisors (1).

123033330989 is an equidigital number, since it uses as much as digits as its factorization.

123033330989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 314928, while the sum is 44.

The spelling of 123033330989 in words is "one hundred twenty-three billion, thirty-three million, three hundred thirty thousand, nine hundred eighty-nine".