623461933 has 2 divisors, whose sum is σ = 623461934. Its totient is φ = 623461932.

The previous prime is 623461879. The next prime is 623461963. The reversal of 623461933 is 339164326.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 429194089 + 194267844 = 20717^2 + 13938^2 .

It is a cyclic number.

It is not a de Polignac number, because 623461933 - 2¹⁷ = 623330861 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 623461892 and 623461901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (623461963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311730966 + 311730967.

It is an arithmetic number, because the mean of its divisors is an integer number (311730967).

Almost surely, 2^623461933 is an apocalyptic number.

It is an amenable number.

623461933 is a deficient number, since it is larger than the sum of its proper divisors (1).

623461933 is an equidigital number, since it uses as much as digits as its factorization.

623461933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 37.

The square root of 623461933 is about 24969.2197114768. The cubic root of 623461933 is about 854.2860485460.

The spelling of 623461933 in words is "six hundred twenty-three million, four hundred sixty-one thousand, nine hundred thirty-three".