23443121401 has 12 divisors (see below), whose sum is σ = 27276862080. Its totient is φ = 20089467720.

The previous prime is 23443121371. The next prime is 23443121407. The reversal of 23443121401 is 10412134432.

It is a de Polignac number, because none of the positive numbers 2^k-23443121401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23443121407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168496 + ... + 274366.

It is an arithmetic number, because the mean of its divisors is an integer number (2273071840).

Almost surely, 2^23443121401 is an apocalyptic number.

It is an amenable number.

23443121401 is a deficient number, since it is larger than the sum of its proper divisors (3833740679).

23443121401 is a wasteful number, since it uses less digits than its factorization.

23443121401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110404 (or 110397 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 23443121401 its reverse (10412134432), we get a palindrome (33855255833).

The spelling of 23443121401 in words is "twenty-three billion, four hundred forty-three million, one hundred twenty-one thousand, four hundred one".