2054015123 has 4 divisors (see below), whose sum is σ = 2174839560. Its totient is φ = 1933190688.

The previous prime is 2054015113. The next prime is 2054015137. The reversal of 2054015123 is 3215104502.

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 2054015123 - 2⁶ = 2054015059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2054015113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60412193 + ... + 60412226.

It is an arithmetic number, because the mean of its divisors is an integer number (543709890).

Almost surely, 2^2054015123 is an apocalyptic number.

2054015123 is a deficient number, since it is larger than the sum of its proper divisors (120824437).

2054015123 is a wasteful number, since it uses less digits than its factorization.

2054015123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120824436.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2054015123 is about 45321.2436170942. The cubic root of 2054015123 is about 1271.1629092409.

Adding to 2054015123 its reverse (3215104502), we get a palindrome (5269119625).

The spelling of 2054015123 in words is "two billion, fifty-four million, fifteen thousand, one hundred twenty-three".