23401005 has 16 divisors (see below), whose sum is σ = 39070080. Its totient is φ = 11937728.

The previous prime is 23400997. The next prime is 23401013. The reversal of 23401005 is 50010432.

It is an interprime number because it is at equal distance from previous prime (23400997) and next prime (23401013).

It is a cyclic number.

It is not a de Polignac number, because 23401005 - 2³ = 23400997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33570 + ... + 34259.

It is an arithmetic number, because the mean of its divisors is an integer number (2441880).

Almost surely, 2^23401005 is an apocalyptic number.

It is an amenable number.

23401005 is a deficient number, since it is larger than the sum of its proper divisors (15669075).

23401005 is a wasteful number, since it uses less digits than its factorization.

23401005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67860.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 23401005 is about 4837.4585269540. The cubic root of 23401005 is about 286.0299453542.

Adding to 23401005 its reverse (50010432), we get a palindrome (73411437).

The spelling of 23401005 in words is "twenty-three million, four hundred one thousand, five".