23223400242225 has 24 divisors (see below), whose sum is σ = 40416864985440. Its totient is φ = 11733928542720.

The previous prime is 23223400242181. The next prime is 23223400242283. The reversal of 23223400242225 is 52224200432232.

It is a happy number.

It is not a de Polignac number, because 23223400242225 - 2⁴³ = 14427307220017 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8148560064 + ... + 8148562913.

It is an arithmetic number, because the mean of its divisors is an integer number (1684036041060).

Almost surely, 2^{23223400242225} is an apocalyptic number.

23223400242225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23223400242225 is a deficient number, since it is larger than the sum of its proper divisors (17193464743215).

23223400242225 is a wasteful number, since it uses less digits than its factorization.

23223400242225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16297123009 (or 16297123004 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 33.

Adding to 23223400242225 its reverse (52224200432232), we get a palindrome (75447600674457).

The spelling of 23223400242225 in words is "twenty-three trillion, two hundred twenty-three billion, four hundred million, two hundred forty-two thousand, two hundred twenty-five".