23151545103251 has 16 divisors (see below), whose sum is σ = 24334777936128. Its totient is φ = 21997851372000.

The previous prime is 23151545103241. The next prime is 23151545103293. The reversal of 23151545103251 is 15230154515132.

It is a cyclic number.

It is not a de Polignac number, because 23151545103251 - 2¹⁰ = 23151545102227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23151545103241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7153736 + ... + 9873146.

It is an arithmetic number, because the mean of its divisors is an integer number (1520923621008).

Almost surely, 2^{23151545103251} is an apocalyptic number.

23151545103251 is a deficient number, since it is larger than the sum of its proper divisors (1183232832877).

23151545103251 is a wasteful number, since it uses less digits than its factorization.

23151545103251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2724842.

The product of its (nonzero) digits is 90000, while the sum is 38.

Adding to 23151545103251 its reverse (15230154515132), we get a palindrome (38381699618383).

The spelling of 23151545103251 in words is "twenty-three trillion, one hundred fifty-one billion, five hundred forty-five million, one hundred three thousand, two hundred fifty-one".