675123403 has 2 divisors, whose sum is σ = 675123404. Its totient is φ = 675123402.

The previous prime is 675123401. The next prime is 675123467. The reversal of 675123403 is 304321576.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 675123403 - 2¹ = 675123401 is a prime.

Together with 675123401, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (675123401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337561701 + 337561702.

It is an arithmetic number, because the mean of its divisors is an integer number (337561702).

Almost surely, 2^675123403 is an apocalyptic number.

675123403 is a deficient number, since it is larger than the sum of its proper divisors (1).

675123403 is an equidigital number, since it uses as much as digits as its factorization.

675123403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 675123403 is about 25983.1368968414. The cubic root of 675123403 is about 877.2587748823.

Adding to 675123403 its reverse (304321576), we get a palindrome (979444979).

The spelling of 675123403 in words is "six hundred seventy-five million, one hundred twenty-three thousand, four hundred three".