25101440023 has 4 divisors (see below), whose sum is σ = 27383389128. Its totient is φ = 22819490920.

The previous prime is 25101439997. The next prime is 25101440029. The reversal of 25101440023 is 32004410152.

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 25101440023 - 2⁵ = 25101439991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25101439976 and 25101440003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25101440029) 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, 1140974536 + ... + 1140974557.

It is an arithmetic number, because the mean of its divisors is an integer number (6845847282).

Almost surely, 2^25101440023 is an apocalyptic number.

25101440023 is a deficient number, since it is larger than the sum of its proper divisors (2281949105).

25101440023 is a wasteful number, since it uses less digits than its factorization.

25101440023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2281949104.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 25101440023 its reverse (32004410152), we get a palindrome (57105850175).

It can be divided in two parts, 25101 and 440023, that added together give a square (465124 = 682²).

The spelling of 25101440023 in words is "twenty-five billion, one hundred one million, four hundred forty thousand, twenty-three".