2861339123 has 4 divisors (see below), whose sum is σ = 2862940320. Its totient is φ = 2859737928.

The previous prime is 2861339113. The next prime is 2861339147. The reversal of 2861339123 is 3219331682.

2861339123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2861339123 - 2¹⁸ = 2861076979 is a prime.

It is a super-3 number, since 3×2861339123³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2861339113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 797915 + ... + 801492.

It is an arithmetic number, because the mean of its divisors is an integer number (715735080).

Almost surely, 2^2861339123 is an apocalyptic number.

2861339123 is a deficient number, since it is larger than the sum of its proper divisors (1601197).

2861339123 is a wasteful number, since it uses less digits than its factorization.

2861339123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601196.

The product of its digits is 46656, while the sum is 38.

The square root of 2861339123 is about 53491.4864534535. The cubic root of 2861339123 is about 1419.6777558470.

The spelling of 2861339123 in words is "two billion, eight hundred sixty-one million, three hundred thirty-nine thousand, one hundred twenty-three".