8423561051 has 2 divisors, whose sum is σ = 8423561052. Its totient is φ = 8423561050.

The previous prime is 8423561011. The next prime is 8423561057. The reversal of 8423561051 is 1501653248.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8423561051 - 2³⁰ = 7349819227 is a prime.

It is not a weakly prime, because it can be changed into another prime (8423561057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4211780525 + 4211780526.

It is an arithmetic number, because the mean of its divisors is an integer number (4211780526).

Almost surely, 2^8423561051 is an apocalyptic number.

8423561051 is a deficient number, since it is larger than the sum of its proper divisors (1).

8423561051 is an equidigital number, since it uses as much as digits as its factorization.

8423561051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 8423561051 is about 91779.9599640357. The cubic root of 8423561051 is about 2034.6915240533.

The spelling of 8423561051 in words is "eight billion, four hundred twenty-three million, five hundred sixty-one thousand, fifty-one".