3123123101 has 4 divisors (see below), whose sum is σ = 3569283552. Its totient is φ = 2676962652.

The previous prime is 3123123089. The next prime is 3123123109. The reversal of 3123123101 is 1013213213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3123123101 - 2³⁰ = 2049381277 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3123123101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123123109) 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 3 ways as a sum of consecutive naturals, for example, 223080215 + ... + 223080228.

It is an arithmetic number, because the mean of its divisors is an integer number (892320888).

Almost surely, 2^3123123101 is an apocalyptic number.

It is an amenable number.

3123123101 is a deficient number, since it is larger than the sum of its proper divisors (446160451).

3123123101 is an equidigital number, since it uses as much as digits as its factorization.

3123123101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446160450.

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

The square root of 3123123101 is about 55884.9094210593. The cubic root of 3123123101 is about 1461.7161125697.

Adding to 3123123101 its reverse (1013213213), we get a palindrome (4136336314).

The spelling of 3123123101 in words is "three billion, one hundred twenty-three million, one hundred twenty-three thousand, one hundred one".