25442230023 has 12 divisors (see below), whose sum is σ = 41999871888. Its totient is φ = 14538417120.

The previous prime is 25442230013. The next prime is 25442230049. The reversal of 25442230023 is 32003224452.

It is a happy number.

It is not a de Polignac number, because 25442230023 - 2²⁶ = 25375121159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25442230013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 201922398 + ... + 201922523.

It is an arithmetic number, because the mean of its divisors is an integer number (3499989324).

Almost surely, 2^25442230023 is an apocalyptic number.

25442230023 is a deficient number, since it is larger than the sum of its proper divisors (16557641865).

25442230023 is a wasteful number, since it uses less digits than its factorization.

25442230023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403844934 (or 403844931 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

Adding to 25442230023 its reverse (32003224452), we get a palindrome (57445454475).

The spelling of 25442230023 in words is "twenty-five billion, four hundred forty-two million, two hundred thirty thousand, twenty-three".