2562443123 has 2 divisors, whose sum is σ = 2562443124. Its totient is φ = 2562443122.

The previous prime is 2562443119. The next prime is 2562443171. The reversal of 2562443123 is 3213442652.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2562443123 - 2² = 2562443119 is a prime.

It is a super-2 number, since 2×2562443123² = 13132229517219986258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2562443123.

It is not a weakly prime, because it can be changed into another prime (2562443183) 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, 1281221561 + 1281221562.

It is an arithmetic number, because the mean of its divisors is an integer number (1281221562).

Almost surely, 2^2562443123 is an apocalyptic number.

2562443123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2562443123 is an equidigital number, since it uses as much as digits as its factorization.

2562443123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 32.

The square root of 2562443123 is about 50620.5800342114. The cubic root of 2562443123 is about 1368.4157941420.

Adding to 2562443123 its reverse (3213442652), we get a palindrome (5775885775).

The spelling of 2562443123 in words is "two billion, five hundred sixty-two million, four hundred forty-three thousand, one hundred twenty-three".