2154023234 has 16 divisors (see below), whose sum is σ = 3532394880. Its totient is φ = 976982160.

The previous prime is 2154023219. The next prime is 2154023237. The reversal of 2154023234 is 4323204512.

It is a super-2 number, since 2×2154023234² = 9279632185223637512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2154023237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95549 + ... + 115920.

It is an arithmetic number, because the mean of its divisors is an integer number (220774680).

Almost surely, 2^2154023234 is an apocalyptic number.

2154023234 is a deficient number, since it is larger than the sum of its proper divisors (1378371646).

2154023234 is a wasteful number, since it uses less digits than its factorization.

2154023234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211945.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 2154023234 is about 46411.4558487449. The cubic root of 2154023234 is about 1291.4674393099.

Adding to 2154023234 its reverse (4323204512), we get a palindrome (6477227746).

The spelling of 2154023234 in words is "two billion, one hundred fifty-four million, twenty-three thousand, two hundred thirty-four".