23400469 has 2 divisors, whose sum is σ = 23400470. Its totient is φ = 23400468.

The previous prime is 23400451. The next prime is 23400473. The reversal of 23400469 is 96400432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22212369 + 1188100 = 4713^2 + 1090^2 .

It is a cyclic number.

It is not a de Polignac number, because 23400469 - 2⁷ = 23400341 is a prime.

It is a super-2 number, since 2×23400469² = 1095163898839922, which contains 22 as substring.

It is equal to p_1471843 and since 23400469 and 1471843 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23400869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11700234 + 11700235.

It is an arithmetic number, because the mean of its divisors is an integer number (11700235).

Almost surely, 2^23400469 is an apocalyptic number.

It is an amenable number.

23400469 is a deficient number, since it is larger than the sum of its proper divisors (1).

23400469 is an equidigital number, since it uses as much as digits as its factorization.

23400469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 23400469 is about 4837.4031256450. The cubic root of 23400469 is about 286.0277614990.

The spelling of 23400469 in words is "twenty-three million, four hundred thousand, four hundred sixty-nine".