23818255356025 has 27 divisors (see below), whose sum is σ = 31981718882829. Its totient is φ = 17588631234720.

The previous prime is 23818255356017. The next prime is 23818255356053. The reversal of 23818255356025 is 52065355281832.

The square root of 23818255356025 is 4880395.

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 6139190552121 + 17679064803904 = 2477739^2 + 4204648^2 .

It is not a de Polignac number, because 23818255356025 - 2³ = 23818255356017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 317188134 + ... + 317263216.

Almost surely, 2^{23818255356025} is an apocalyptic number.

23818255356025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23818255356025 is the 4880395-th square number.

23818255356025 is the 2440198-th centered octagonal number.

It is an amenable number.

23818255356025 is a deficient number, since it is larger than the sum of its proper divisors (8163463526804).

23818255356025 is an frugal number, since it uses more digits than its factorization.

23818255356025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150202 (or 75101 counting only the distinct ones).

The product of its (nonzero) digits is 17280000, while the sum is 55.

The spelling of 23818255356025 in words is "twenty-three trillion, eight hundred eighteen billion, two hundred fifty-five million, three hundred fifty-six thousand, twenty-five".