23504214225 has 12 divisors (see below), whose sum is σ = 38860300976. Its totient is φ = 12535580880.

The previous prime is 23504214191. The next prime is 23504214269. The reversal of 23504214225 is 52241240532.

It is not a de Polignac number, because 23504214225 - 2⁹ = 23504213713 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23504214192 and 23504214201.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 156694687 + ... + 156694836.

Almost surely, 2^23504214225 is an apocalyptic number.

23504214225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23504214225 is a deficient number, since it is larger than the sum of its proper divisors (15356086751).

23504214225 is a wasteful number, since it uses less digits than its factorization.

23504214225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313389536 (or 313389531 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 23504214225 its reverse (52241240532), we get a palindrome (75745454757).

The spelling of 23504214225 in words is "twenty-three billion, five hundred four million, two hundred fourteen thousand, two hundred twenty-five".