34023153221 has 2 divisors, whose sum is σ = 34023153222. Its totient is φ = 34023153220.

The previous prime is 34023153209. The next prime is 34023153347. The reversal of 34023153221 is 12235132043.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29451364996 + 4571788225 = 171614^2 + 67615^2 .

It is an emirp because it is prime and its reverse (12235132043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34023153221 - 2¹⁰ = 34023152197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34023153421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17011576610 + 17011576611.

It is an arithmetic number, because the mean of its divisors is an integer number (17011576611).

Almost surely, 2^34023153221 is an apocalyptic number.

It is an amenable number.

34023153221 is a deficient number, since it is larger than the sum of its proper divisors (1).

34023153221 is an equidigital number, since it uses as much as digits as its factorization.

34023153221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 34023153221 its reverse (12235132043), we get a palindrome (46258285264).

The spelling of 34023153221 in words is "thirty-four billion, twenty-three million, one hundred fifty-three thousand, two hundred twenty-one".