23121124437 has 8 divisors (see below), whose sum is σ = 31891206240. Its totient is φ = 14882562800.

The previous prime is 23121124409. The next prime is 23121124441. The reversal of 23121124437 is 73442112132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23121124437 - 2⁷ = 23121124309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23121124487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132879939 + ... + 132880112.

It is an arithmetic number, because the mean of its divisors is an integer number (3986400780).

Almost surely, 2^23121124437 is an apocalyptic number.

It is an amenable number.

23121124437 is a deficient number, since it is larger than the sum of its proper divisors (8770081803).

23121124437 is a wasteful number, since it uses less digits than its factorization.

23121124437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265760083.

The product of its digits is 8064, while the sum is 30.

Adding to 23121124437 its reverse (73442112132), we get a palindrome (96563236569).

The spelling of 23121124437 in words is "twenty-three billion, one hundred twenty-one million, one hundred twenty-four thousand, four hundred thirty-seven".