233145083087617 has 2 divisors, whose sum is σ = 233145083087618. Its totient is φ = 233145083087616.

The previous prime is 233145083087569. The next prime is 233145083087633. The reversal of 233145083087617 is 716780380541332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 211751507235856 + 21393575851761 = 14551684^2 + 4625319^2 .

It is a cyclic number.

It is not a de Polignac number, because 233145083087617 - 2⁴⁷ = 92407594732289 is a prime.

It is not a weakly prime, because it can be changed into another prime (233145083087317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116572541543808 + 116572541543809.

It is an arithmetic number, because the mean of its divisors is an integer number (116572541543809).

Almost surely, 2^{233145083087617} is an apocalyptic number.

It is an amenable number.

233145083087617 is a deficient number, since it is larger than the sum of its proper divisors (1).

233145083087617 is an equidigital number, since it uses as much as digits as its factorization.

233145083087617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20321280, while the sum is 58.

The spelling of 233145083087617 in words is "two hundred thirty-three trillion, one hundred forty-five billion, eighty-three million, eighty-seven thousand, six hundred seventeen".