10123140420 has 72 divisors (see below), whose sum is σ = 32041953216. Its totient is φ = 2582133312.

The previous prime is 10123140371. The next prime is 10123140437. The reversal of 10123140420 is 2404132101.

10123140420 is a `hidden beast` number, since 10 + 1 + 231 + 4 + 0 + 420 = 666.

10123140420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10123140393 and 10123140402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1218462 + ... + 1226741.

It is an arithmetic number, because the mean of its divisors is an integer number (445027128).

Almost surely, 2^10123140420 is an apocalyptic number.

10123140420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10123140420 is an abundant number, since it is smaller than the sum of its proper divisors (21918812796).

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

10123140420 is a wasteful number, since it uses less digits than its factorization.

10123140420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2445241 (or 2445236 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 10123140420 its reverse (2404132101), we get a palindrome (12527272521).

The spelling of 10123140420 in words is "ten billion, one hundred twenty-three million, one hundred forty thousand, four hundred twenty".