10123555320 has 192 divisors, whose sum is σ = 33518927520. Its totient is φ = 2649341952.

The previous prime is 10123555313. The next prime is 10123555333. The reversal of 10123555320 is 2355532101.

It is a happy number.

10123555320 is a `hidden beast` number, since 1 + 0 + 123 + 5 + 5 + 532 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5964712 + ... + 5966408.

Almost surely, 2^10123555320 is an apocalyptic number.

10123555320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10123555320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16759463760).

10123555320 is an abundant number, since it is smaller than the sum of its proper divisors (23395372200).

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

10123555320 is a wasteful number, since it uses less digits than its factorization.

10123555320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2014 (or 2007 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The spelling of 10123555320 in words is "ten billion, one hundred twenty-three million, five hundred fifty-five thousand, three hundred twenty".