23042869 has 2 divisors, whose sum is σ = 23042870. Its totient is φ = 23042868.

The previous prime is 23042819. The next prime is 23042881. The reversal of 23042869 is 96824032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15507844 + 7535025 = 3938^2 + 2745^2 .

It is a cyclic number.

It is not a de Polignac number, because 23042869 - 2⁷ = 23042741 is a prime.

It is a super-2 number, since 2×23042869² = 1061947623502322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23042819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11521434 + 11521435.

It is an arithmetic number, because the mean of its divisors is an integer number (11521435).

Almost surely, 2^23042869 is an apocalyptic number.

It is an amenable number.

23042869 is a deficient number, since it is larger than the sum of its proper divisors (1).

23042869 is an equidigital number, since it uses as much as digits as its factorization.

23042869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 23042869 is about 4800.2988448637. The cubic root of 23042869 is about 284.5632748955.

The spelling of 23042869 in words is "twenty-three million, forty-two thousand, eight hundred sixty-nine".