20110313123 has 8 divisors (see below), whose sum is σ = 20214417600. Its totient is φ = 20006470440.

The previous prime is 20110313101. The next prime is 20110313131. The reversal of 20110313123 is 32131301102.

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 20110313123 - 2¹⁸ = 20110050979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20110313323) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 89528 + ... + 219626.

It is an arithmetic number, because the mean of its divisors is an integer number (2526802200).

Almost surely, 2^20110313123 is an apocalyptic number.

20110313123 is a deficient number, since it is larger than the sum of its proper divisors (104104477).

20110313123 is a wasteful number, since it uses less digits than its factorization.

20110313123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130897.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 20110313123 its reverse (32131301102), we get a palindrome (52241614225).

The spelling of 20110313123 in words is "twenty billion, one hundred ten million, three hundred thirteen thousand, one hundred twenty-three".