3123120202123 has 2 divisors, whose sum is σ = 3123120202124. Its totient is φ = 3123120202122.

The previous prime is 3123120202093. The next prime is 3123120202129. The reversal of 3123120202123 is 3212020213213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3123120202123 - 2²⁹ = 3122583331211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3123120202094 and 3123120202103.

It is not a weakly prime, because it can be changed into another prime (3123120202129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1561560101061 + 1561560101062.

It is an arithmetic number, because the mean of its divisors is an integer number (1561560101062).

Almost surely, 2^{3123120202123} is an apocalyptic number.

3123120202123 is a deficient number, since it is larger than the sum of its proper divisors (1).

3123120202123 is an equidigital number, since it uses as much as digits as its factorization.

3123120202123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 3123120202123 its reverse (3212020213213), we get a palindrome (6335140415336).

The spelling of 3123120202123 in words is "three trillion, one hundred twenty-three billion, one hundred twenty million, two hundred two thousand, one hundred twenty-three".