623275013 has 2 divisors, whose sum is σ = 623275014. Its totient is φ = 623275012.

The previous prime is 623275007. The next prime is 623275019. The reversal of 623275013 is 310572326.

It is a balanced prime because it is at equal distance from previous prime (623275007) and next prime (623275019).

It can be written as a sum of positive squares in only one way, i.e., 606242884 + 17032129 = 24622^2 + 4127^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-623275013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (623275019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311637506 + 311637507.

It is an arithmetic number, because the mean of its divisors is an integer number (311637507).

Almost surely, 2^623275013 is an apocalyptic number.

It is an amenable number.

623275013 is a deficient number, since it is larger than the sum of its proper divisors (1).

623275013 is an equidigital number, since it uses as much as digits as its factorization.

623275013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 623275013 is about 24965.4764224519. The cubic root of 623275013 is about 854.2006655682.

The spelling of 623275013 in words is "six hundred twenty-three million, two hundred seventy-five thousand, thirteen".