23443321401 has 20 divisors (see below), whose sum is σ = 35045472000. Its totient is φ = 15617633976.

The previous prime is 23443321379. The next prime is 23443321427. The reversal of 23443321401 is 10412334432.

23443321401 is a `hidden beast` number, since 2 + 3 + 443 + 3 + 214 + 0 + 1 = 666.

It is not a de Polignac number, because 23443321401 - 2⁷ = 23443321273 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (23443321441) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9880 + ... + 216758.

It is an arithmetic number, because the mean of its divisors is an integer number (1752273600).

Almost surely, 2^23443321401 is an apocalyptic number.

It is an amenable number.

23443321401 is a deficient number, since it is larger than the sum of its proper divisors (11602150599).

23443321401 is a wasteful number, since it uses less digits than its factorization.

23443321401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208290 (or 208281 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 23443321401 its reverse (10412334432), we get a palindrome (33855655833).

The spelling of 23443321401 in words is "twenty-three billion, four hundred forty-three million, three hundred twenty-one thousand, four hundred one".