403161623 has 2 divisors, whose sum is σ = 403161624. Its totient is φ = 403161622.

The previous prime is 403161601. The next prime is 403161637. The reversal of 403161623 is 326161304.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 403161623 - 2⁶ = 403161559 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 403161592 and 403161601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (403161523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201580811 + 201580812.

It is an arithmetic number, because the mean of its divisors is an integer number (201580812).

Almost surely, 2^403161623 is an apocalyptic number.

403161623 is a deficient number, since it is larger than the sum of its proper divisors (1).

403161623 is an equidigital number, since it uses as much as digits as its factorization.

403161623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 403161623 is about 20078.8850039040. The cubic root of 403161623 is about 738.7424605970.

The spelling of 403161623 in words is "four hundred three million, one hundred sixty-one thousand, six hundred twenty-three".