23211029 has 2 divisors, whose sum is σ = 23211030. Its totient is φ = 23211028.

The previous prime is 23210987. The next prime is 23211053. The reversal of 23211029 is 92011232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19562929 + 3648100 = 4423^2 + 1910^2 .

It is a cyclic number.

It is not a de Polignac number, because 23211029 - 2²⁰ = 22162453 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23211029.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23211059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11605514 + 11605515.

It is an arithmetic number, because the mean of its divisors is an integer number (11605515).

Almost surely, 2^23211029 is an apocalyptic number.

It is an amenable number.

23211029 is a deficient number, since it is larger than the sum of its proper divisors (1).

23211029 is an equidigital number, since it uses as much as digits as its factorization.

23211029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 23211029 is about 4817.7825812297. The cubic root of 23211029 is about 285.2538171821.

The spelling of 23211029 in words is "twenty-three million, two hundred eleven thousand, twenty-nine".