23512252233405 has 64 divisors (see below), whose sum is σ = 42295480561152. Its totient is φ = 11066592936960.

The previous prime is 23512252233401. The next prime is 23512252233419. The reversal of 23512252233405 is 50433225221532.

It is a happy number.

It is not a de Polignac number, because 23512252233405 - 2² = 23512252233401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23512252233401) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7930935 + ... + 10484475.

It is an arithmetic number, because the mean of its divisors is an integer number (660866883768).

Almost surely, 2^{23512252233405} is an apocalyptic number.

It is an amenable number.

23512252233405 is a deficient number, since it is larger than the sum of its proper divisors (18783228327747).

23512252233405 is a wasteful number, since it uses less digits than its factorization.

23512252233405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2555638.

The product of its (nonzero) digits is 432000, while the sum is 39.

Adding to 23512252233405 its reverse (50433225221532), we get a palindrome (73945477454937).

The spelling of 23512252233405 in words is "twenty-three trillion, five hundred twelve billion, two hundred fifty-two million, two hundred thirty-three thousand, four hundred five".