54123321234 has 16 divisors (see below), whose sum is σ = 108813381120. Its totient is φ = 17946650640.

The previous prime is 54123321191. The next prime is 54123321247. The reversal of 54123321234 is 43212332145.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23612869 + ... + 23615160.

It is an arithmetic number, because the mean of its divisors is an integer number (6800836320).

Almost surely, 2^54123321234 is an apocalyptic number.

54123321234 is an abundant number, since it is smaller than the sum of its proper divisors (54690059886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54123321234 is a wasteful number, since it uses less digits than its factorization.

54123321234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47228225.

The product of its digits is 17280, while the sum is 30.

Adding to 54123321234 its reverse (43212332145), we get a palindrome (97335653379).

The spelling of 54123321234 in words is "fifty-four billion, one hundred twenty-three million, three hundred twenty-one thousand, two hundred thirty-four".