123368440953 has 8 divisors (see below), whose sum is σ = 165691921248. Its totient is φ = 81645293984.

The previous prime is 123368440933. The next prime is 123368440967. The reversal of 123368440953 is 359044863321.

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

It is a cyclic number.

It is not a de Polignac number, because 123368440953 - 2⁶ = 123368440889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123368440933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150082851 + ... + 150083672.

It is an arithmetic number, because the mean of its divisors is an integer number (20711490156).

Almost surely, 2^123368440953 is an apocalyptic number.

It is an amenable number.

123368440953 is a deficient number, since it is larger than the sum of its proper divisors (42323480295).

123368440953 is a wasteful number, since it uses less digits than its factorization.

123368440953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300166663.

The product of its (nonzero) digits is 1866240, while the sum is 48.

The spelling of 123368440953 in words is "one hundred twenty-three billion, three hundred sixty-eight million, four hundred forty thousand, nine hundred fifty-three".