23467729 has 2 divisors, whose sum is σ = 23467730. Its totient is φ = 23467728.

The previous prime is 23467721. The next prime is 23467777. The reversal of 23467729 is 92776432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16418704 + 7049025 = 4052^2 + 2655^2 .

It is a cyclic number.

It is not a de Polignac number, because 23467729 - 2³ = 23467721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23467691 and 23467700.

It is not a weakly prime, because it can be changed into another prime (23467721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11733864 + 11733865.

It is an arithmetic number, because the mean of its divisors is an integer number (11733865).

Almost surely, 2^23467729 is an apocalyptic number.

It is an amenable number.

23467729 is a deficient number, since it is larger than the sum of its proper divisors (1).

23467729 is an equidigital number, since it uses as much as digits as its factorization.

23467729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 40.

The square root of 23467729 is about 4844.3502144250. The cubic root of 23467729 is about 286.3015426849.

The spelling of 23467729 in words is "twenty-three million, four hundred sixty-seven thousand, seven hundred twenty-nine".