1703423531 has 2 divisors, whose sum is σ = 1703423532. Its totient is φ = 1703423530.

The previous prime is 1703423521. The next prime is 1703423563. The reversal of 1703423531 is 1353243071.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1703423531 is a prime.

It is a super-2 number, since 2×1703423531² = 5803303451929015922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1703423494 and 1703423503.

It is not a weakly prime, because it can be changed into another prime (1703423521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 851711765 + 851711766.

It is an arithmetic number, because the mean of its divisors is an integer number (851711766).

Almost surely, 2^1703423531 is an apocalyptic number.

1703423531 is a deficient number, since it is larger than the sum of its proper divisors (1).

1703423531 is an equidigital number, since it uses as much as digits as its factorization.

1703423531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 1703423531 is about 41272.5517868716. The cubic root of 1703423531 is about 1194.2838168228.

The spelling of 1703423531 in words is "one billion, seven hundred three million, four hundred twenty-three thousand, five hundred thirty-one".