23531163054 has 128 divisors (see below), whose sum is σ = 60107443200. Its totient is φ = 5978603520.

The previous prime is 23531163043. The next prime is 23531163083. The reversal of 23531163054 is 45036113532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5546374 + ... + 5550614.

It is an arithmetic number, because the mean of its divisors is an integer number (469589400).

Almost surely, 2^23531163054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23531163054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30053721600).

23531163054 is an abundant number, since it is smaller than the sum of its proper divisors (36576280146).

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

23531163054 is a wasteful number, since it uses less digits than its factorization.

23531163054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4698.

The product of its (nonzero) digits is 32400, while the sum is 33.

Adding to 23531163054 its reverse (45036113532), we get a palindrome (68567276586).

The spelling of 23531163054 in words is "twenty-three billion, five hundred thirty-one million, one hundred sixty-three thousand, fifty-four".