25140432223 has 2 divisors, whose sum is σ = 25140432224. Its totient is φ = 25140432222.

The previous prime is 25140432221. The next prime is 25140432319. The reversal of 25140432223 is 32223404152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25140432223 - 2¹ = 25140432221 is a prime.

Together with 25140432221, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 25140432191 and 25140432200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25140432221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12570216111 + 12570216112.

It is an arithmetic number, because the mean of its divisors is an integer number (12570216112).

Almost surely, 2^25140432223 is an apocalyptic number.

25140432223 is a deficient number, since it is larger than the sum of its proper divisors (1).

25140432223 is an equidigital number, since it uses as much as digits as its factorization.

25140432223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 25140432223 its reverse (32223404152), we get a palindrome (57363836375).

The spelling of 25140432223 in words is "twenty-five billion, one hundred forty million, four hundred thirty-two thousand, two hundred twenty-three".