2601123843 has 16 divisors (see below), whose sum is σ = 3643257600. Its totient is φ = 1647549024.

The previous prime is 2601123841. The next prime is 2601123893. The reversal of 2601123843 is 3483211062.

It is not a de Polignac number, because 2601123843 - 2¹ = 2601123841 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2601123843.

It is not an unprimeable number, because it can be changed into a prime (2601123841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116221 + ... + 136782.

It is an arithmetic number, because the mean of its divisors is an integer number (227703600).

Almost surely, 2^2601123843 is an apocalyptic number.

2601123843 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2601123843 is a deficient number, since it is larger than the sum of its proper divisors (1042133757).

2601123843 is a wasteful number, since it uses less digits than its factorization.

2601123843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253178.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 2601123843 is about 51001.2141326067. The cubic root of 2601123843 is about 1375.2669618068.

The spelling of 2601123843 in words is "two billion, six hundred one million, one hundred twenty-three thousand, eight hundred forty-three".