123447053 has 8 divisors (see below), whose sum is σ = 127873536. Its totient is φ = 119048400.

The previous prime is 123447043. The next prime is 123447067. The reversal of 123447053 is 350744321.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123447053 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123447043) 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, 2288 + ... + 15878.

It is an arithmetic number, because the mean of its divisors is an integer number (15984192).

Almost surely, 2^123447053 is an apocalyptic number.

It is an amenable number.

123447053 is a deficient number, since it is larger than the sum of its proper divisors (4426483).

123447053 is a wasteful number, since it uses less digits than its factorization.

123447053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13915.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 123447053 is about 11110.6729319155. The cubic root of 123447053 is about 497.9207695870.

The spelling of 123447053 in words is "one hundred twenty-three million, four hundred forty-seven thousand, fifty-three".