23017441225 has 27 divisors (see below), whose sum is σ = 30141754677. Its totient is φ = 17433874080.

The previous prime is 23017441219. The next prime is 23017441229. The reversal of 23017441225 is 52214471032.

It is a happy number.

The square root of 23017441225 is 151715.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 4593179529 + 18424261696 = 67773^2 + 135736^2 .

It is not a de Polignac number, because 23017441225 - 2³ = 23017441217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23017441229) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 14412127 + ... + 14413723.

Almost surely, 2^23017441225 is an apocalyptic number.

23017441225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23017441225 is the 151715-th square number.

23017441225 is the 75858-th centered octagonal number.

It is an amenable number.

23017441225 is a deficient number, since it is larger than the sum of its proper divisors (7124313452).

23017441225 is an frugal number, since it uses more digits than its factorization.

23017441225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3242 (or 1621 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The spelling of 23017441225 in words is "twenty-three billion, seventeen million, four hundred forty-one thousand, two hundred twenty-five".