1703421232153 has 2 divisors, whose sum is σ = 1703421232154. Its totient is φ = 1703421232152.

The previous prime is 1703421232081. The next prime is 1703421232157. The reversal of 1703421232153 is 3512321243071.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1116547262224 + 586873969929 = 1056668^2 + 766077^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1703421232153 is a prime.

It is not a weakly prime, because it can be changed into another prime (1703421232157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 851710616076 + 851710616077.

It is an arithmetic number, because the mean of its divisors is an integer number (851710616077).

Almost surely, 2^{1703421232153} is an apocalyptic number.

It is an amenable number.

1703421232153 is a deficient number, since it is larger than the sum of its proper divisors (1).

1703421232153 is an equidigital number, since it uses as much as digits as its factorization.

1703421232153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 34.

The spelling of 1703421232153 in words is "one trillion, seven hundred three billion, four hundred twenty-one million, two hundred thirty-two thousand, one hundred fifty-three".