23005045225 has 24 divisors (see below), whose sum is σ = 28876901760. Its totient is φ = 18178680000.

The previous prime is 23005045213. The next prime is 23005045237. The reversal of 23005045225 is 52254050032.

It is an interprime number because it is at equal distance from previous prime (23005045213) and next prime (23005045237).

It is a de Polignac number, because none of the positive numbers 2^k-23005045225 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23005045193 and 23005045202.

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, 1077706 + ... + 1098844.

It is an arithmetic number, because the mean of its divisors is an integer number (1203204240).

Almost surely, 2^23005045225 is an apocalyptic number.

23005045225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23005045225 is a deficient number, since it is larger than the sum of its proper divisors (5871856535).

23005045225 is a wasteful number, since it uses less digits than its factorization.

23005045225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21681 (or 21676 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

Adding to 23005045225 its reverse (52254050032), we get a palindrome (75259095257).

The spelling of 23005045225 in words is "twenty-three billion, five million, forty-five thousand, two hundred twenty-five".