425233143 has 6 divisors (see below), whose sum is σ = 614225664. Its totient is φ = 283488756.

The previous prime is 425233139. The next prime is 425233147. The reversal of 425233143 is 341332524.

425233143 is a `hidden beast` number, since 425 + 233 + 1 + 4 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (425233139) and next prime (425233147).

It is not a de Polignac number, because 425233143 - 2² = 425233139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425233147) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23624055 + ... + 23624072.

It is an arithmetic number, because the mean of its divisors is an integer number (102370944).

Almost surely, 2^425233143 is an apocalyptic number.

425233143 is a deficient number, since it is larger than the sum of its proper divisors (188992521).

425233143 is a wasteful number, since it uses less digits than its factorization.

425233143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47248133 (or 47248130 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 425233143 is about 20621.1819011423. The cubic root of 425233143 is about 751.9847537038.

Adding to 425233143 its reverse (341332524), we get a palindrome (766565667).

The spelling of 425233143 in words is "four hundred twenty-five million, two hundred thirty-three thousand, one hundred forty-three".