123530000454 has 80 divisors (see below), whose sum is σ = 323072183808. Its totient is φ = 34543328688.

The previous prime is 123530000417. The next prime is 123530000459. The reversal of 123530000454 is 454000035321.

123530000454 is a `hidden beast` number, since 123 + 530 + 0 + 0 + 0 + 4 + 5 + 4 = 666.

It is a super-2 number, since 2×123530000454² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123530000459) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1105564 + ... + 1212159.

Almost surely, 2^123530000454 is an apocalyptic number.

123530000454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

123530000454 is an abundant number, since it is smaller than the sum of its proper divisors (199542183354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123530000454 is a wasteful number, since it uses less digits than its factorization.

123530000454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2317791 (or 2317782 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 123530000454 its reverse (454000035321), we get a palindrome (577530035775).

The spelling of 123530000454 in words is "one hundred twenty-three billion, five hundred thirty million, four hundred fifty-four", and thus it is an aban number.