2123042554 has 16 divisors (see below), whose sum is σ = 3326705280. Its totient is φ = 1014243120.

The previous prime is 2123042479. The next prime is 2123042591. The reversal of 2123042554 is 4552403212.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 17164 + ... + 67384.

It is an arithmetic number, because the mean of its divisors is an integer number (207919080).

Almost surely, 2^2123042554 is an apocalyptic number.

2123042554 is a deficient number, since it is larger than the sum of its proper divisors (1203662726).

2123042554 is a wasteful number, since it uses less digits than its factorization.

2123042554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51165.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 2123042554 is about 46076.4859120137. The cubic root of 2123042554 is about 1285.2459175970.

Adding to 2123042554 its reverse (4552403212), we get a palindrome (6675445766).

The spelling of 2123042554 in words is "two billion, one hundred twenty-three million, forty-two thousand, five hundred fifty-four".