2660426123 has 8 divisors (see below), whose sum is σ = 2821608096. Its totient is φ = 2503036800.

The previous prime is 2660426051. The next prime is 2660426143. The reversal of 2660426123 is 3216240662.

2660426123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2660426123 - 2¹⁰ = 2660425099 is a prime.

It is a super-2 number, since 2×2660426123² = 14155734311881622258, which contains 22 as substring.

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 2660426123.

It is not an unprimeable number, because it can be changed into a prime (2660426143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 946718 + ... + 949523.

It is an arithmetic number, because the mean of its divisors is an integer number (352701012).

Almost surely, 2^2660426123 is an apocalyptic number.

2660426123 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2660426123 is a deficient number, since it is larger than the sum of its proper divisors (161181973).

2660426123 is a wasteful number, since it uses less digits than its factorization.

2660426123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1896325.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 2660426123 is about 51579.3187527714. The cubic root of 2660426123 is about 1385.6399659461.

Adding to 2660426123 its reverse (3216240662), we get a palindrome (5876666785).

The spelling of 2660426123 in words is "two billion, six hundred sixty million, four hundred twenty-six thousand, one hundred twenty-three".