3145623 has 8 divisors (see below), whose sum is σ = 4516848. Its totient is φ = 1935744.

The previous prime is 3145609. The next prime is 3145627. The reversal of 3145623 is 3265413.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3145623 - 2⁴ = 3145607 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3145593 and 3145602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3145627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40290 + ... + 40367.

It is an arithmetic number, because the mean of its divisors is an integer number (564606).

Almost surely, 2^3145623 is an apocalyptic number.

3145623 is a deficient number, since it is larger than the sum of its proper divisors (1371225).

3145623 is a wasteful number, since it uses less digits than its factorization.

3145623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80673.

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

The square root of 3145623 is about 1773.5904262259. The cubic root of 3145623 is about 146.5217927797.

It can be divided in two parts, 31 and 45623, that added together give a palindrome (45654).

The spelling of 3145623 in words is "three million, one hundred forty-five thousand, six hundred twenty-three".