123453104 has 20 divisors (see below), whose sum is σ = 239663976. Its totient is φ = 61604352.

The previous prime is 123453097. The next prime is 123453107. The reversal of 123453104 is 401354321.

It is a self number, because there is not a number n which added to its sum of digits gives 123453104.

It is not an unprimeable number, because it can be changed into a prime (123453107) 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, 992 + ... + 15744.

Almost surely, 2^123453104 is an apocalyptic number.

It is an amenable number.

123453104 is a deficient number, since it is larger than the sum of its proper divisors (116210872).

123453104 is a wasteful number, since it uses less digits than its factorization.

123453104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15284 (or 15278 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 123453104 is about 11110.9452343174. The cubic root of 123453104 is about 497.9289049759.

The spelling of 123453104 in words is "one hundred twenty-three million, four hundred fifty-three thousand, one hundred four".