427321703 has 2 divisors, whose sum is σ = 427321704. Its totient is φ = 427321702.

The previous prime is 427321693. The next prime is 427321709. The reversal of 427321703 is 307123724.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 427321703 - 2¹² = 427317607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427321709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213660851 + 213660852.

It is an arithmetic number, because the mean of its divisors is an integer number (213660852).

Almost surely, 2^427321703 is an apocalyptic number.

427321703 is a deficient number, since it is larger than the sum of its proper divisors (1).

427321703 is an equidigital number, since it uses as much as digits as its factorization.

427321703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 427321703 is about 20671.7610038429. The cubic root of 427321703 is about 753.2138841118.

The spelling of 427321703 in words is "four hundred twenty-seven million, three hundred twenty-one thousand, seven hundred three".