350401623 has 32 divisors (see below), whose sum is σ = 554383872. Its totient is φ = 194064000.

The previous prime is 350401609. The next prime is 350401627. The reversal of 350401623 is 326104053.

It is a happy number.

It is not a de Polignac number, because 350401623 - 2⁴ = 350401607 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 350401593 and 350401602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (350401627) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39286 + ... + 47372.

It is an arithmetic number, because the mean of its divisors is an integer number (17324496).

Almost surely, 2^350401623 is an apocalyptic number.

350401623 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

350401623 is a deficient number, since it is larger than the sum of its proper divisors (203982249).

350401623 is a wasteful number, since it uses less digits than its factorization.

350401623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8215.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 350401623 is about 18719.0176825602. The cubic root of 350401623 is about 704.9993280010. Note that the first 3 decimals are identical.

Adding to 350401623 its reverse (326104053), we get a palindrome (676505676).

It can be divided in two parts, 35040 and 1623, that added together give a palindrome (36663).

The spelling of 350401623 in words is "three hundred fifty million, four hundred one thousand, six hundred twenty-three".