523144943 has 2 divisors, whose sum is σ = 523144944. Its totient is φ = 523144942.

The previous prime is 523144901. The next prime is 523144981. The reversal of 523144943 is 349441325.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 523144943 - 2¹⁶ = 523079407 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (523144343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261572471 + 261572472.

It is an arithmetic number, because the mean of its divisors is an integer number (261572472).

Almost surely, 2^523144943 is an apocalyptic number.

523144943 is a deficient number, since it is larger than the sum of its proper divisors (1).

523144943 is an equidigital number, since it uses as much as digits as its factorization.

523144943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 35.

The square root of 523144943 is about 22872.3619899651. The cubic root of 523144943 is about 805.7630423012.

The spelling of 523144943 in words is "five hundred twenty-three million, one hundred forty-four thousand, nine hundred forty-three".