23042121132 has 12 divisors (see below), whose sum is σ = 53764949336. Its totient is φ = 7680707040.

The previous prime is 23042121131. The next prime is 23042121143. The reversal of 23042121132 is 23112124032.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×23042121132² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23042121099 and 23042121108.

It is not an unprimeable number, because it can be changed into a prime (23042121131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 960088369 + ... + 960088392.

Almost surely, 2^23042121132 is an apocalyptic number.

It is an amenable number.

23042121132 is an abundant number, since it is smaller than the sum of its proper divisors (30722828204).

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

23042121132 is a wasteful number, since it uses less digits than its factorization.

23042121132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1920176768 (or 1920176766 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 23042121132 its reverse (23112124032), we get a palindrome (46154245164).

The spelling of 23042121132 in words is "twenty-three billion, forty-two million, one hundred twenty-one thousand, one hundred thirty-two".