350513623 has 2 divisors, whose sum is σ = 350513624. Its totient is φ = 350513622.

The previous prime is 350513609. The next prime is 350513689. The reversal of 350513623 is 326315053.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 350513623 - 2¹⁷ = 350382551 is a prime.

It is a super-2 number, since 2×350513623² = 245719599817172258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 350513591 and 350513600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (350510623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175256811 + 175256812.

It is an arithmetic number, because the mean of its divisors is an integer number (175256812).

Almost surely, 2^350513623 is an apocalyptic number.

350513623 is a deficient number, since it is larger than the sum of its proper divisors (1).

350513623 is an equidigital number, since it uses as much as digits as its factorization.

350513623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 28.

The square root of 350513623 is about 18722.0090535177. The cubic root of 350513623 is about 705.0744337352.

Adding to 350513623 its reverse (326315053), we get a palindrome (676828676).

The spelling of 350513623 in words is "three hundred fifty million, five hundred thirteen thousand, six hundred twenty-three".