10123420328531 has 16 divisors (see below), whose sum is σ = 10930163942304. Its totient is φ = 9340445197824.

The previous prime is 10123420328507. The next prime is 10123420328569. The reversal of 10123420328531 is 13582302432101.

10123420328531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10123420328531 - 2¹⁴ = 10123420312147 is a prime.

It is a super-2 number, since 2×10123420328531² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10123420328491 and 10123420328500.

It is not an unprimeable number, because it can be changed into a prime (10123420328431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3538481 + ... + 5724306.

It is an arithmetic number, because the mean of its divisors is an integer number (683135246394).

Almost surely, 2^{10123420328531} is an apocalyptic number.

10123420328531 is a deficient number, since it is larger than the sum of its proper divisors (806743613773).

10123420328531 is a wasteful number, since it uses less digits than its factorization.

10123420328531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9264070.

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 10123420328531 in words is "ten trillion, one hundred twenty-three billion, four hundred twenty million, three hundred twenty-eight thousand, five hundred thirty-one".