523442093 has 2 divisors, whose sum is σ = 523442094. Its totient is φ = 523442092.

The previous prime is 523442011. The next prime is 523442137. The reversal of 523442093 is 390244325.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 347561449 + 175880644 = 18643^2 + 13262^2 .

It is a cyclic number.

It is not a de Polignac number, because 523442093 - 2²⁰ = 522393517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (523445093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261721046 + 261721047.

It is an arithmetic number, because the mean of its divisors is an integer number (261721047).

Almost surely, 2^523442093 is an apocalyptic number.

It is an amenable number.

523442093 is a deficient number, since it is larger than the sum of its proper divisors (1).

523442093 is an equidigital number, since it uses as much as digits as its factorization.

523442093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 523442093 is about 22878.8568988925. The cubic root of 523442093 is about 805.9155731134.

The spelling of 523442093 in words is "five hundred twenty-three million, four hundred forty-two thousand, ninety-three".