4323011035661 has 2 divisors, whose sum is σ = 4323011035662. Its totient is φ = 4323011035660.

The previous prime is 4323011035531. The next prime is 4323011035691. The reversal of 4323011035661 is 1665301103234.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2557859647561 + 1765151388100 = 1599331^2 + 1328590^2 .

It is a cyclic number.

It is not a de Polignac number, because 4323011035661 - 2¹⁰ = 4323011034637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4323011035691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2161505517830 + 2161505517831.

It is an arithmetic number, because the mean of its divisors is an integer number (2161505517831).

Almost surely, 2^{4323011035661} is an apocalyptic number.

It is an amenable number.

4323011035661 is a deficient number, since it is larger than the sum of its proper divisors (1).

4323011035661 is an equidigital number, since it uses as much as digits as its factorization.

4323011035661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 35.

Adding to 4323011035661 its reverse (1665301103234), we get a palindrome (5988312138895).

The spelling of 4323011035661 in words is "four trillion, three hundred twenty-three billion, eleven million, thirty-five thousand, six hundred sixty-one".