23124121989 has 32 divisors (see below), whose sum is σ = 32822599680. Its totient is φ = 14459121600.

The previous prime is 23124121919. The next prime is 23124121991. The reversal of 23124121989 is 98912142132.

It is not a de Polignac number, because 23124121989 - 2⁷ = 23124121861 is a prime.

It is a super-2 number, since 2×23124121989² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23124121989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23124121919) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 359899 + ... + 419255.

It is an arithmetic number, because the mean of its divisors is an integer number (1025706240).

Almost surely, 2^23124121989 is an apocalyptic number.

It is an amenable number.

23124121989 is a deficient number, since it is larger than the sum of its proper divisors (9698477691).

23124121989 is a wasteful number, since it uses less digits than its factorization.

23124121989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59521.

The product of its digits is 62208, while the sum is 42.

The spelling of 23124121989 in words is "twenty-three billion, one hundred twenty-four million, one hundred twenty-one thousand, nine hundred eighty-nine".