123493349 has 4 divisors (see below), whose sum is σ = 141135264. Its totient is φ = 105851436.

The previous prime is 123493343. The next prime is 123493351. The reversal of 123493349 is 943394321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 123493349 - 2⁴ = 123493333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123493343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8820947 + ... + 8820960.

It is an arithmetic number, because the mean of its divisors is an integer number (35283816).

Almost surely, 2^123493349 is an apocalyptic number.

It is an amenable number.

123493349 is a deficient number, since it is larger than the sum of its proper divisors (17641915).

123493349 is an equidigital number, since it uses as much as digits as its factorization.

123493349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17641914.

The product of its digits is 69984, while the sum is 38.

The square root of 123493349 is about 11112.7561387803. The cubic root of 123493349 is about 497.9830064146.

The spelling of 123493349 in words is "one hundred twenty-three million, four hundred ninety-three thousand, three hundred forty-nine".