1623130 has 24 divisors (see below), whose sum is σ = 3041532. Its totient is φ = 623616.

The previous prime is 1623107. The next prime is 1623137. The reversal of 1623130 is 313261.

It can be written as a sum of positive squares in 6 ways, for example, as 522729 + 1100401 = 723^2 + 1049^2 .

It is not an unprimeable number, because it can be changed into a prime (1623137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8314 + ... + 8506.

2^1623130 is an apocalyptic number.

1623130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1623130 is a deficient number, since it is larger than the sum of its proper divisors (1418402).

1623130 is a wasteful number, since it uses less digits than its factorization.

1623130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1623130 is about 1274.0211929164. The cubic root of 1623130 is about 117.5216196826.

Adding to 1623130 its reverse (313261), we get a palindrome (1936391).

It can be divided in two parts, 16231 and 30, that added together give a palindrome (16261).

The spelling of 1623130 in words is "one million, six hundred twenty-three thousand, one hundred thirty".