130123545456 has 20 divisors (see below), whose sum is σ = 336152492552. Its totient is φ = 43374515136.

The previous prime is 130123545427. The next prime is 130123545463. The reversal of 130123545456 is 654545321031.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1355453551 + ... + 1355453646.

Almost surely, 2^130123545456 is an apocalyptic number.

130123545456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

130123545456 is an abundant number, since it is smaller than the sum of its proper divisors (206028947096).

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

130123545456 is a wasteful number, since it uses less digits than its factorization.

130123545456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2710907208 (or 2710907202 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 39.

Adding to 130123545456 its reverse (654545321031), we get a palindrome (784668866487).

The spelling of 130123545456 in words is "one hundred thirty billion, one hundred twenty-three million, five hundred forty-five thousand, four hundred fifty-six".