23240029 has 2 divisors, whose sum is σ = 23240030. Its totient is φ = 23240028.

The previous prime is 23240011. The next prime is 23240039. The reversal of 23240029 is 92004232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22992025 + 248004 = 4795^2 + 498^2 .

It is a cyclic number.

It is not a de Polignac number, because 23240029 - 2¹⁷ = 23108957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23239991 and 23240009.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23240039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11620014 + 11620015.

It is an arithmetic number, because the mean of its divisors is an integer number (11620015).

Almost surely, 2^23240029 is an apocalyptic number.

It is an amenable number.

23240029 is a deficient number, since it is larger than the sum of its proper divisors (1).

23240029 is an equidigital number, since it uses as much as digits as its factorization.

23240029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 23240029 is about 4820.7913250835. The cubic root of 23240029 is about 285.3725670216.

The spelling of 23240029 in words is "twenty-three million, two hundred forty thousand, twenty-nine".