123453969 has 8 divisors (see below), whose sum is σ = 166062432. Its totient is φ = 81574080.

The previous prime is 123453961. The next prime is 123453971. The reversal of 123453969 is 969354321.

It is a happy number.

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

It is not a de Polignac number, because 123453969 - 2³ = 123453961 is a prime.

It is a super-2 number, since 2×123453969² = 30481764923705922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123453969.

It is not an unprimeable number, because it can be changed into a prime (123453961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181747 + ... + 182424.

It is an arithmetic number, because the mean of its divisors is an integer number (20757804).

Almost surely, 2^123453969 is an apocalyptic number.

It is an amenable number.

123453969 is a deficient number, since it is larger than the sum of its proper divisors (42608463).

123453969 is a wasteful number, since it uses less digits than its factorization.

123453969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364287.

The product of its digits is 174960, while the sum is 42.

The square root of 123453969 is about 11110.9841598303. The cubic root of 123453969 is about 497.9300679209.

The spelling of 123453969 in words is "one hundred twenty-three million, four hundred fifty-three thousand, nine hundred sixty-nine".