10123122331 has 8 divisors (see below), whose sum is σ = 11715729920. Its totient is φ = 8567126568.

The previous prime is 10123122329. The next prime is 10123122353. The reversal of 10123122331 is 13322132101.

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

It is not a de Polignac number, because 10123122331 - 2¹ = 10123122329 is a prime.

It is a super-2 number, since 2×10123122331² (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 = 10123122299 and 10123122308.

It is not an unprimeable number, because it can be changed into a prime (10123122371) 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, 9152361 + ... + 9153466.

It is an arithmetic number, because the mean of its divisors is an integer number (1464466240).

Almost surely, 2^10123122331 is an apocalyptic number.

10123122331 is a deficient number, since it is larger than the sum of its proper divisors (1592607589).

10123122331 is an equidigital number, since it uses as much as digits as its factorization.

10123122331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18305913.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 10123122331 its reverse (13322132101), we get a palindrome (23445254432).

The spelling of 10123122331 in words is "ten billion, one hundred twenty-three million, one hundred twenty-two thousand, three hundred thirty-one".