7230421153 has 2 divisors, whose sum is σ = 7230421154. Its totient is φ = 7230421152.

The previous prime is 7230421123. The next prime is 7230421169. The reversal of 7230421153 is 3511240327.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6049261729 + 1181159424 = 77777^2 + 34368^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7230421153 is a prime.

It is not a weakly prime, because it can be changed into another prime (7230421123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3615210576 + 3615210577.

It is an arithmetic number, because the mean of its divisors is an integer number (3615210577).

Almost surely, 2^7230421153 is an apocalyptic number.

It is an amenable number.

7230421153 is a deficient number, since it is larger than the sum of its proper divisors (1).

7230421153 is an equidigital number, since it uses as much as digits as its factorization.

7230421153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 7230421153 is about 85031.8831556728. The cubic root of 7230421153 is about 1933.6945128193.

The spelling of 7230421153 in words is "seven billion, two hundred thirty million, four hundred twenty-one thousand, one hundred fifty-three".