10123331329 has 4 divisors (see below), whose sum is σ = 10191273300. Its totient is φ = 10055389360.

The previous prime is 10123331327. The next prime is 10123331357. The reversal of 10123331329 is 92313332101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5640761025 + 4482570304 = 75105^2 + 66952^2 .

It is a cyclic number.

It is not a de Polignac number, because 10123331329 - 2¹ = 10123331327 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10123331297 and 10123331306.

It is not an unprimeable number, because it can be changed into a prime (10123331327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33970762 + ... + 33971059.

It is an arithmetic number, because the mean of its divisors is an integer number (2547818325).

Almost surely, 2^10123331329 is an apocalyptic number.

It is an amenable number.

10123331329 is a deficient number, since it is larger than the sum of its proper divisors (67941971).

10123331329 is an equidigital number, since it uses as much as digits as its factorization.

10123331329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67941970.

The product of its (nonzero) digits is 2916, while the sum is 28.

The spelling of 10123331329 in words is "ten billion, one hundred twenty-three million, three hundred thirty-one thousand, three hundred twenty-nine".