623341129 has 2 divisors, whose sum is σ = 623341130. Its totient is φ = 623341128.

The previous prime is 623341123. The next prime is 623341153. The reversal of 623341129 is 921143326.

623341129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 505575225 + 117765904 = 22485^2 + 10852^2 .

It is a cyclic number.

It is not a de Polignac number, because 623341129 - 2⁵ = 623341097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 623341129.

It is not a weakly prime, because it can be changed into another prime (623341123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311670564 + 311670565.

It is an arithmetic number, because the mean of its divisors is an integer number (311670565).

Almost surely, 2^623341129 is an apocalyptic number.

It is an amenable number.

623341129 is a deficient number, since it is larger than the sum of its proper divisors (1).

623341129 is an equidigital number, since it uses as much as digits as its factorization.

623341129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 31.

The square root of 623341129 is about 24966.8005359117. The cubic root of 623341129 is about 854.2308685729.

The spelling of 623341129 in words is "six hundred twenty-three million, three hundred forty-one thousand, one hundred twenty-nine".