235142531453 has 4 divisors (see below), whose sum is σ = 235153604220. Its totient is φ = 235131458688.

The previous prime is 235142531431. The next prime is 235142531483. The reversal of 235142531453 is 354135241532.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16008069529 + 219134461924 = 126523^2 + 468118^2 .

It is a cyclic number.

It is not a de Polignac number, because 235142531453 - 2⁶ = 235142531389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235142531483) 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, 5504468 + ... + 5547021.

It is an arithmetic number, because the mean of its divisors is an integer number (58788401055).

Almost surely, 2^235142531453 is an apocalyptic number.

It is an amenable number.

235142531453 is a deficient number, since it is larger than the sum of its proper divisors (11072767).

235142531453 is a wasteful number, since it uses less digits than its factorization.

235142531453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11072766.

The product of its digits is 216000, while the sum is 38.

Adding to 235142531453 its reverse (354135241532), we get a palindrome (589277772985).

The spelling of 235142531453 in words is "two hundred thirty-five billion, one hundred forty-two million, five hundred thirty-one thousand, four hundred fifty-three".