23440132121 has 16 divisors (see below), whose sum is σ = 27261374208. Its totient is φ = 19737864000.

The previous prime is 23440132109. The next prime is 23440132123. The reversal of 23440132121 is 12123104432.

It is a cyclic number.

It is not a de Polignac number, because 23440132121 - 2⁶ = 23440132057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23440132123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 318071 + ... + 384771.

It is an arithmetic number, because the mean of its divisors is an integer number (1703835888).

Almost surely, 2^23440132121 is an apocalyptic number.

It is an amenable number.

23440132121 is a deficient number, since it is larger than the sum of its proper divisors (3821242087).

23440132121 is an equidigital number, since it uses as much as digits as its factorization.

23440132121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67592.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 23440132121 its reverse (12123104432), we get a palindrome (35563236553).

The spelling of 23440132121 in words is "twenty-three billion, four hundred forty million, one hundred thirty-two thousand, one hundred twenty-one".