23031769 has 2 divisors, whose sum is σ = 23031770. Its totient is φ = 23031768.

The previous prime is 23031683. The next prime is 23031779. The reversal of 23031769 is 96713032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11560000 + 11471769 = 3400^2 + 3387^2 .

It is a cyclic number.

It is not a de Polignac number, because 23031769 - 2⁷ = 23031641 is a prime.

It is a super-2 number, since 2×23031769² = 1060924766538722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23031769.

It is not a weakly prime, because it can be changed into another prime (23031779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11515884 + 11515885.

It is an arithmetic number, because the mean of its divisors is an integer number (11515885).

Almost surely, 2^23031769 is an apocalyptic number.

It is an amenable number.

23031769 is a deficient number, since it is larger than the sum of its proper divisors (1).

23031769 is an equidigital number, since it uses as much as digits as its factorization.

23031769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 23031769 is about 4799.1425275772. The cubic root of 23031769 is about 284.5175751511.

The spelling of 23031769 in words is "twenty-three million, thirty-one thousand, seven hundred sixty-nine".