34523421623531 has 2 divisors, whose sum is σ = 34523421623532. Its totient is φ = 34523421623530.

The previous prime is 34523421623497. The next prime is 34523421623567. The reversal of 34523421623531 is 13532612432543.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34523421623531 - 2²² = 34523417429227 is a prime.

It is a super-2 number, since 2×34523421623531² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (34523426623531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17261710811765 + 17261710811766.

It is an arithmetic number, because the mean of its divisors is an integer number (17261710811766).

Almost surely, 2^{34523421623531} is an apocalyptic number.

34523421623531 is a deficient number, since it is larger than the sum of its proper divisors (1).

34523421623531 is an equidigital number, since it uses as much as digits as its factorization.

34523421623531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1555200, while the sum is 44.

The spelling of 34523421623531 in words is "thirty-four trillion, five hundred twenty-three billion, four hundred twenty-one million, six hundred twenty-three thousand, five hundred thirty-one".