23294729 has 2 divisors, whose sum is σ = 23294730. Its totient is φ = 23294728.

The previous prime is 23294723. The next prime is 23294731. The reversal of 23294729 is 92749232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15721225 + 7573504 = 3965^2 + 2752^2 .

It is a cyclic number.

It is not a de Polignac number, because 23294729 - 2⁸ = 23294473 is a prime.

Together with 23294731, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 23294692 and 23294701.

It is not a weakly prime, because it can be changed into another prime (23294723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11647364 + 11647365.

It is an arithmetic number, because the mean of its divisors is an integer number (11647365).

Almost surely, 2^23294729 is an apocalyptic number.

It is an amenable number.

23294729 is a deficient number, since it is larger than the sum of its proper divisors (1).

23294729 is an equidigital number, since it uses as much as digits as its factorization.

23294729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 38.

The square root of 23294729 is about 4826.4613331094. The cubic root of 23294729 is about 285.5962851651.

The spelling of 23294729 in words is "twenty-three million, two hundred ninety-four thousand, seven hundred twenty-nine".