2020153123123 has 2 divisors, whose sum is σ = 2020153123124. Its totient is φ = 2020153123122.

The previous prime is 2020153123111. The next prime is 2020153123147. The reversal of 2020153123123 is 3213213510202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2020153123123 - 2⁵ = 2020153123091 is a prime.

It is a super-2 number, since 2×2020153123123² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2020153123193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010076561561 + 1010076561562.

It is an arithmetic number, because the mean of its divisors is an integer number (1010076561562).

Almost surely, 2^{2020153123123} is an apocalyptic number.

2020153123123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020153123123 is an equidigital number, since it uses as much as digits as its factorization.

2020153123123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 2020153123123 its reverse (3213213510202), we get a palindrome (5233366633325).

The spelling of 2020153123123 in words is "two trillion, twenty billion, one hundred fifty-three million, one hundred twenty-three thousand, one hundred twenty-three".