316403623 has 2 divisors, whose sum is σ = 316403624. Its totient is φ = 316403622.

The previous prime is 316403603. The next prime is 316403629. The reversal of 316403623 is 326304613.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 316403623 - 2²¹ = 314306471 is a prime.

It is a super-2 number, since 2×316403623² = 200222505295052258, which contains 22 as substring.

It is equal to p_17091730 and since 316403623 and 17091730 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 316403591 and 316403600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316403629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158201811 + 158201812.

It is an arithmetic number, because the mean of its divisors is an integer number (158201812).

Almost surely, 2^316403623 is an apocalyptic number.

316403623 is a deficient number, since it is larger than the sum of its proper divisors (1).

316403623 is an equidigital number, since it uses as much as digits as its factorization.

316403623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 316403623 is about 17787.7379955969. The cubic root of 316403623 is about 681.4183364497.

The spelling of 316403623 in words is "three hundred sixteen million, four hundred three thousand, six hundred twenty-three".