23151345030225 has 36 divisors (see below), whose sum is σ = 41616330462876. Its totient is φ = 12302808589440.

The previous prime is 23151345030199. The next prime is 23151345030259. The reversal of 23151345030225 is 52203054315132.

23151345030225 is a `hidden beast` number, since 2 + 3 + 1 + 5 + 1 + 345 + 0 + 302 + 2 + 5 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 3449384991504 + 19701960038721 = 1857252^2 + 4438689^2 .

It is not a de Polignac number, because 23151345030225 - 2⁹ = 23151345029713 is a prime.

It is a super-4 number, since 4×23151345030225⁴ (a number of 55 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23151345030225.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 185668482 + ... + 185793131.

Almost surely, 2^{23151345030225} is an apocalyptic number.

23151345030225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23151345030225 is a deficient number, since it is larger than the sum of its proper divisors (18464985432651).

23151345030225 is a wasteful number, since it uses less digits than its factorization.

23151345030225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371461906 (or 371461898 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 23151345030225 its reverse (52203054315132), we get a palindrome (75354399345357).

The spelling of 23151345030225 in words is "twenty-three trillion, one hundred fifty-one billion, three hundred forty-five million, thirty thousand, two hundred twenty-five".