23245251133451 has 4 divisors (see below), whose sum is σ = 23248233978552. Its totient is φ = 23242268288352.

The previous prime is 23245251133367. The next prime is 23245251133483. The reversal of 23245251133451 is 15433115254232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23245251133451 - 2²² = 23245246939147 is a prime.

It is a super-2 number, since 2×23245251133451² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23245251133399 and 23245251133408.

It is not an unprimeable number, because it can be changed into a prime (23245251153451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1491410861 + ... + 1491426446.

It is an arithmetic number, because the mean of its divisors is an integer number (5812058494638).

Almost surely, 2^{23245251133451} is an apocalyptic number.

23245251133451 is a deficient number, since it is larger than the sum of its proper divisors (2982845101).

23245251133451 is an equidigital number, since it uses as much as digits as its factorization.

23245251133451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2982845100.

The product of its digits is 432000, while the sum is 41.

Adding to 23245251133451 its reverse (15433115254232), we get a palindrome (38678366387683).

The spelling of 23245251133451 in words is "twenty-three trillion, two hundred forty-five billion, two hundred fifty-one million, one hundred thirty-three thousand, four hundred fifty-one".