535123403 has 2 divisors, whose sum is σ = 535123404. Its totient is φ = 535123402.

The previous prime is 535123367. The next prime is 535123409. The reversal of 535123403 is 304321535.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 535123403 - 2¹⁴ = 535107019 is a prime.

It is not a weakly prime, because it can be changed into another prime (535123409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267561701 + 267561702.

It is an arithmetic number, because the mean of its divisors is an integer number (267561702).

Almost surely, 2^535123403 is an apocalyptic number.

535123403 is a deficient number, since it is larger than the sum of its proper divisors (1).

535123403 is an equidigital number, since it uses as much as digits as its factorization.

535123403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 535123403 is about 23132.7344470990. The cubic root of 535123403 is about 811.8665499951.

Adding to 535123403 its reverse (304321535), we get a palindrome (839444938).

The spelling of 535123403 in words is "five hundred thirty-five million, one hundred twenty-three thousand, four hundred three".