23021029 has 2 divisors, whose sum is σ = 23021030. Its totient is φ = 23021028.

The previous prime is 23020997. The next prime is 23021057. The reversal of 23021029 is 92012032.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23020804 + 225 = 4798^2 + 15^2 .

It is a cyclic number.

It is not a de Polignac number, because 23021029 - 2⁵ = 23020997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23020997 and 23021015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23021059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11510514 + 11510515.

It is an arithmetic number, because the mean of its divisors is an integer number (11510515).

Almost surely, 2^23021029 is an apocalyptic number.

It is an amenable number.

23021029 is a deficient number, since it is larger than the sum of its proper divisors (1).

23021029 is an equidigital number, since it uses as much as digits as its factorization.

23021029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 23021029 is about 4798.0234472124. The cubic root of 23021029 is about 284.4733435818.

The spelling of 23021029 in words is "twenty-three million, twenty-one thousand, twenty-nine".