23004423225 has 90 divisors (see below), whose sum is σ = 49569442494. Its totient is φ = 10516262400.

The previous prime is 23004423209. The next prime is 23004423251. The reversal of 23004423225 is 52232440032.

It is a happy number.

23004423225 is a `hidden beast` number, since 230 + 0 + 4 + 423 + 2 + 2 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 4072864761 + 18931558464 = 63819^2 + 137592^2 .

It is not a de Polignac number, because 23004423225 - 2⁴ = 23004423209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 16696 + ... + 215145.

Almost surely, 2^23004423225 is an apocalyptic number.

23004423225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23004423225 is an abundant number, since it is smaller than the sum of its proper divisors (26565019269).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23004423225 is a wasteful number, since it uses less digits than its factorization.

23004423225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231877 (or 231856 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

Adding to 23004423225 its reverse (52232440032), we get a palindrome (75236863257).

The spelling of 23004423225 in words is "twenty-three billion, four million, four hundred twenty-three thousand, two hundred twenty-five".