23001377669 has 2 divisors, whose sum is σ = 23001377670. Its totient is φ = 23001377668.

The previous prime is 23001377657. The next prime is 23001377683. The reversal of 23001377669 is 96677310032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17058972100 + 5942405569 = 130610^2 + 77087^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23001377669 is a prime.

It is a super-2 number, since 2×23001377669² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23001377369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11500688834 + 11500688835.

It is an arithmetic number, because the mean of its divisors is an integer number (11500688835).

Almost surely, 2^23001377669 is an apocalyptic number.

It is an amenable number.

23001377669 is a deficient number, since it is larger than the sum of its proper divisors (1).

23001377669 is an equidigital number, since it uses as much as digits as its factorization.

23001377669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 285768, while the sum is 44.

The spelling of 23001377669 in words is "twenty-three billion, one million, three hundred seventy-seven thousand, six hundred sixty-nine".