1233122993 has 2 divisors, whose sum is σ = 1233122994. Its totient is φ = 1233122992.

The previous prime is 1233122983. The next prime is 1233123019. The reversal of 1233122993 is 3992213321.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 720009889 + 513113104 = 26833^2 + 22652^2 .

It is a cyclic number.

It is not a de Polignac number, because 1233122993 - 2¹² = 1233118897 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1233122903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616561496 + 616561497.

It is an arithmetic number, because the mean of its divisors is an integer number (616561497).

Almost surely, 2^1233122993 is an apocalyptic number.

It is an amenable number.

1233122993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1233122993 is an equidigital number, since it uses as much as digits as its factorization.

1233122993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17496, while the sum is 35.

The square root of 1233122993 is about 35115.8510220100. The cubic root of 1233122993 is about 1072.3473064477.

The spelling of 1233122993 in words is "one billion, two hundred thirty-three million, one hundred twenty-two thousand, nine hundred ninety-three".