23401145005 has 24 divisors (see below), whose sum is σ = 32414391936. Its totient is φ = 15887380800.

The previous prime is 23401144999. The next prime is 23401145011. The reversal of 23401145005 is 50054110432.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23401144999) and next prime (23401145011).

It is not a de Polignac number, because 23401145005 - 2¹⁵ = 23401112237 is a prime.

It is a super-2 number, since 2×23401145005² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 324264 + ... + 389806.

It is an arithmetic number, because the mean of its divisors is an integer number (1350599664).

Almost surely, 2^23401145005 is an apocalyptic number.

It is an amenable number.

23401145005 is a deficient number, since it is larger than the sum of its proper divisors (9013246931).

23401145005 is an equidigital number, since it uses as much as digits as its factorization.

23401145005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65757 (or 65656 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 23401145005 its reverse (50054110432), we get a palindrome (73455255437).

The spelling of 23401145005 in words is "twenty-three billion, four hundred one million, one hundred forty-five thousand, five".