23151203100225 has 30 divisors (see below), whose sum is σ = 42884031030390. Its totient is φ = 12347308319040.

The previous prime is 23151203100199. The next prime is 23151203100227. The reversal of 23151203100225 is 52200130215132.

23151203100225 is a `hidden beast` number, since 2 + 3 + 1 + 5 + 120 + 310 + 0 + 225 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 3788659816704 + 19362543283521 = 1946448^2 + 4400289^2 .

It is not a de Polignac number, because 23151203100225 - 2¹⁵ = 23151203067457 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (23151203100227) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 5716344420 + ... + 5716348469.

It is an arithmetic number, because the mean of its divisors is an integer number (1429467701013).

Almost surely, 2^{23151203100225} is an apocalyptic number.

23151203100225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23151203100225 is a deficient number, since it is larger than the sum of its proper divisors (19732827930165).

23151203100225 is a wasteful number, since it uses less digits than its factorization.

23151203100225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11432692911 (or 11432692897 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 23151203100225 its reverse (52200130215132), we get a palindrome (75351333315357).

The spelling of 23151203100225 in words is "twenty-three trillion, one hundred fifty-one billion, two hundred three million, one hundred thousand, two hundred twenty-five".