123053993 has 2 divisors, whose sum is σ = 123053994. Its totient is φ = 123053992.

The previous prime is 123053963. The next prime is 123054031. The reversal of 123053993 is 399350321.

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., 121594729 + 1459264 = 11027^2 + 1208^2 .

It is a cyclic number.

It is not a de Polignac number, because 123053993 - 2⁸ = 123053737 is a prime.

It is not a weakly prime, because it can be changed into another prime (123053923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61526996 + 61526997.

It is an arithmetic number, because the mean of its divisors is an integer number (61526997).

Almost surely, 2^123053993 is an apocalyptic number.

It is an amenable number.

123053993 is a deficient number, since it is larger than the sum of its proper divisors (1).

123053993 is an equidigital number, since it uses as much as digits as its factorization.

123053993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21870, while the sum is 35.

The square root of 123053993 is about 11092.9704317644. The cubic root of 123053993 is about 497.3917416353.

The spelling of 123053993 in words is "one hundred twenty-three million, fifty-three thousand, nine hundred ninety-three".