623161313 has 2 divisors, whose sum is σ = 623161314. Its totient is φ = 623161312.

The previous prime is 623161307. The next prime is 623161369. The reversal of 623161313 is 313161326.

623161313 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., 488763664 + 134397649 = 22108^2 + 11593^2 .

It is a cyclic number.

It is not a de Polignac number, because 623161313 - 2¹² = 623157217 is a prime.

It is not a weakly prime, because it can be changed into another prime (623161303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311580656 + 311580657.

It is an arithmetic number, because the mean of its divisors is an integer number (311580657).

Almost surely, 2^623161313 is an apocalyptic number.

It is an amenable number.

623161313 is a deficient number, since it is larger than the sum of its proper divisors (1).

623161313 is an equidigital number, since it uses as much as digits as its factorization.

623161313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 26.

The square root of 623161313 is about 24963.1991739841. The cubic root of 623161313 is about 854.1487203220.

The spelling of 623161313 in words is "six hundred twenty-three million, one hundred sixty-one thousand, three hundred thirteen".