142433504231 has 4 divisors (see below), whose sum is σ = 143024514864. Its totient is φ = 141842493600.

The previous prime is 142433504209. The next prime is 142433504233. The reversal of 142433504231 is 132405334241.

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 142433504231 - 2²² = 142429309927 is a prime.

It is a super-2 number, since 2×142433504231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142433504233) 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, 295504955 + ... + 295505436.

It is an arithmetic number, because the mean of its divisors is an integer number (35756128716).

Almost surely, 2^142433504231 is an apocalyptic number.

142433504231 is a deficient number, since it is larger than the sum of its proper divisors (591010633).

142433504231 is an equidigital number, since it uses as much as digits as its factorization.

142433504231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591010632.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 142433504231 its reverse (132405334241), we get a palindrome (274838838472).

The spelling of 142433504231 in words is "one hundred forty-two billion, four hundred thirty-three million, five hundred four thousand, two hundred thirty-one".