20231425535 has 8 divisors (see below), whose sum is σ = 25705811376. Its totient is φ = 15233073280.

The previous prime is 20231425519. The next prime is 20231425541. The reversal of 20231425535 is 53552413202.

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

It is not a de Polignac number, because 20231425535 - 2⁴ = 20231425519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119008301 + ... + 119008470.

It is an arithmetic number, because the mean of its divisors is an integer number (3213226422).

Almost surely, 2^20231425535 is an apocalyptic number.

20231425535 is a deficient number, since it is larger than the sum of its proper divisors (5474385841).

20231425535 is a wasteful number, since it uses less digits than its factorization.

20231425535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238016793.

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 20231425535 its reverse (53552413202), we get a palindrome (73783838737).

The spelling of 20231425535 in words is "twenty billion, two hundred thirty-one million, four hundred twenty-five thousand, five hundred thirty-five".