25623353143 has 2 divisors, whose sum is σ = 25623353144. Its totient is φ = 25623353142.

The previous prime is 25623353053. The next prime is 25623353179. The reversal of 25623353143 is 34135332652.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25623353143 - 2¹⁷ = 25623222071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25623353243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12811676571 + 12811676572.

It is an arithmetic number, because the mean of its divisors is an integer number (12811676572).

Almost surely, 2^25623353143 is an apocalyptic number.

25623353143 is a deficient number, since it is larger than the sum of its proper divisors (1).

25623353143 is an equidigital number, since it uses as much as digits as its factorization.

25623353143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 194400, while the sum is 37.

Adding to 25623353143 its reverse (34135332652), we get a palindrome (59758685795).

The spelling of 25623353143 in words is "twenty-five billion, six hundred twenty-three million, three hundred fifty-three thousand, one hundred forty-three".