2043123041123 has 2 divisors, whose sum is σ = 2043123041124. Its totient is φ = 2043123041122.

The previous prime is 2043123041119. The next prime is 2043123041153. The reversal of 2043123041123 is 3211403213402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2043123041123 - 2² = 2043123041119 is a prime.

It is a super-2 number, since 2×2043123041123² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2043123041092 and 2043123041101.

It is not a weakly prime, because it can be changed into another prime (2043123041153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021561520561 + 1021561520562.

It is an arithmetic number, because the mean of its divisors is an integer number (1021561520562).

Almost surely, 2^{2043123041123} is an apocalyptic number.

2043123041123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2043123041123 is an equidigital number, since it uses as much as digits as its factorization.

2043123041123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 2043123041123 its reverse (3211403213402), we get a palindrome (5254526254525).

The spelling of 2043123041123 in words is "two trillion, forty-three billion, one hundred twenty-three million, forty-one thousand, one hundred twenty-three".