23154445132 has 96 divisors (see below), whose sum is σ = 50498832384. Its totient is φ = 9045216000.

The previous prime is 23154445129. The next prime is 23154445141.

23154445132 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×23154445132² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20991693 + ... + 20992795.

It is an arithmetic number, because the mean of its divisors is an integer number (526029504).

Almost surely, 2^23154445132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23154445132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25249416192).

23154445132 is an abundant number, since it is smaller than the sum of its proper divisors (27344387252).

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

23154445132 is a wasteful number, since it uses less digits than its factorization.

23154445132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1799 (or 1797 counting only the distinct ones).

The product of its digits is 57600, while the sum is 34.

It can be divided in two parts, 231544 and 45132, that added together give a square (276676 = 526²).

The spelling of 23154445132 in words is "twenty-three billion, one hundred fifty-four million, four hundred forty-five thousand, one hundred thirty-two".