23032420225 has 12 divisors (see below), whose sum is σ = 29801949696. Its totient is φ = 17624808080.

The previous prime is 23032420183. The next prime is 23032420247. The reversal of 23032420225 is 52202423032.

It is a happy number.

It is not a de Polignac number, because 23032420225 - 2²⁷ = 22898202497 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23032420225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20027617 + ... + 20028766.

It is an arithmetic number, because the mean of its divisors is an integer number (2483495808).

Almost surely, 2^23032420225 is an apocalyptic number.

23032420225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23032420225 is a deficient number, since it is larger than the sum of its proper divisors (6769529471).

23032420225 is a wasteful number, since it uses less digits than its factorization.

23032420225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40056416 (or 40056411 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

Adding to 23032420225 its reverse (52202423032), we get a palindrome (75234843257).

The spelling of 23032420225 in words is "twenty-three billion, thirty-two million, four hundred twenty thousand, two hundred twenty-five".