748665123 has 8 divisors (see below), whose sum is σ = 998370048. Its totient is φ = 499035144.

The previous prime is 748665119. The next prime is 748665149. The reversal of 748665123 is 321566847.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 748665123 - 2² = 748665119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (748665523) 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 7 ways as a sum of consecutive naturals, for example, 11586 + ... + 40392.

It is an arithmetic number, because the mean of its divisors is an integer number (124796256).

Almost surely, 2^748665123 is an apocalyptic number.

748665123 is a deficient number, since it is larger than the sum of its proper divisors (249704925).

748665123 is a wasteful number, since it uses less digits than its factorization.

748665123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37473.

The product of its digits is 241920, while the sum is 42.

The square root of 748665123 is about 27361.7456131731. The cubic root of 748665123 is about 908.0209468636.

The spelling of 748665123 in words is "seven hundred forty-eight million, six hundred sixty-five thousand, one hundred twenty-three".