25535122023 has 8 divisors (see below), whose sum is σ = 34056889200. Its totient is φ = 17018384768.

The previous prime is 25535122001. The next prime is 25535122033. The reversal of 25535122023 is 32022153552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25535122023 - 2⁶ = 25535121959 is a prime.

It is a super-2 number, since 2×25535122023² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25535122033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1245618 + ... + 1265951.

It is an arithmetic number, because the mean of its divisors is an integer number (4257111150).

Almost surely, 2^25535122023 is an apocalyptic number.

25535122023 is a deficient number, since it is larger than the sum of its proper divisors (8521767177).

25535122023 is a wasteful number, since it uses less digits than its factorization.

25535122023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2514961.

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 25535122023 its reverse (32022153552), we get a palindrome (57557275575).

The spelling of 25535122023 in words is "twenty-five billion, five hundred thirty-five million, one hundred twenty-two thousand, twenty-three".