23223400105531 has 4 divisors (see below), whose sum is σ = 23400677969064. Its totient is φ = 23046122242000.

The previous prime is 23223400105523. The next prime is 23223400105673. The reversal of 23223400105531 is 13550100432232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23223400105531 - 2³ = 23223400105523 is a prime.

It is a super-2 number, since 2×23223400105531² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23223400105493 and 23223400105502.

It is not an unprimeable number, because it can be changed into a prime (23223400105231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88638931570 + ... + 88638931831.

It is an arithmetic number, because the mean of its divisors is an integer number (5850169492266).

Almost surely, 2^{23223400105531} is an apocalyptic number.

23223400105531 is a deficient number, since it is larger than the sum of its proper divisors (177277863533).

23223400105531 is a wasteful number, since it uses less digits than its factorization.

23223400105531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177277863532.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 23223400105531 its reverse (13550100432232), we get a palindrome (36773500537763).

The spelling of 23223400105531 in words is "twenty-three trillion, two hundred twenty-three billion, four hundred million, one hundred five thousand, five hundred thirty-one".