350001623 has 2 divisors, whose sum is σ = 350001624. Its totient is φ = 350001622.

The previous prime is 350001581. The next prime is 350001643. The reversal of 350001623 is 326100053.

It is an a-pointer prime, because the next prime (350001643) can be obtained adding 350001623 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 350001623 - 2¹⁶ = 349936087 is a prime.

It is a super-2 number, since 2×350001623² = 245002272205268258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 350001595 and 350001604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (350001643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175000811 + 175000812.

It is an arithmetic number, because the mean of its divisors is an integer number (175000812).

Almost surely, 2^350001623 is an apocalyptic number.

350001623 is a deficient number, since it is larger than the sum of its proper divisors (1).

350001623 is an equidigital number, since it uses as much as digits as its factorization.

350001623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 350001623 is about 18708.3303103190. The cubic root of 350001623 is about 704.7309625158.

Adding to 350001623 its reverse (326100053), we get a palindrome (676101676).

The spelling of 350001623 in words is "three hundred fifty million, one thousand, six hundred twenty-three".