10201231123 has 8 divisors (see below), whose sum is σ = 10810424592. Its totient is φ = 9593051136.

The previous prime is 10201231093. The next prime is 10201231129. The reversal of 10201231123 is 32113210201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10201231123 - 2⁵ = 10201231091 is a prime.

It is a super-2 number, since 2×10201231123² (a number of 21 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 = 10201231097 and 10201231106.

It is not an unprimeable number, because it can be changed into a prime (10201231129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232590 + ... + 272947.

It is an arithmetic number, because the mean of its divisors is an integer number (1351303074).

Almost surely, 2^10201231123 is an apocalyptic number.

10201231123 is a deficient number, since it is larger than the sum of its proper divisors (609193469).

10201231123 is a wasteful number, since it uses less digits than its factorization.

10201231123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506741.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 10201231123 its reverse (32113210201), we get a palindrome (42314441324).

The spelling of 10201231123 in words is "ten billion, two hundred one million, two hundred thirty-one thousand, one hundred twenty-three".