3145623234 has 64 divisors (see below), whose sum is σ = 6918723840. Its totient is φ = 947531520.

The previous prime is 3145623233. The next prime is 3145623241. The reversal of 3145623234 is 4323265413.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3145623195 and 3145623204.

It is not an unprimeable number, because it can be changed into a prime (3145623233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1088139 + ... + 1091025.

It is an arithmetic number, because the mean of its divisors is an integer number (108105060).

Almost surely, 2^3145623234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3145623234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3459361920).

3145623234 is an abundant number, since it is smaller than the sum of its proper divisors (3773100606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3145623234 is a wasteful number, since it uses less digits than its factorization.

3145623234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3195.

The product of its digits is 51840, while the sum is 33.

The square root of 3145623234 is about 56085.8559175128. The cubic root of 3145623234 is about 1465.2179641293.

Adding to 3145623234 its reverse (4323265413), we get a palindrome (7468888647).

The spelling of 3145623234 in words is "three billion, one hundred forty-five million, six hundred twenty-three thousand, two hundred thirty-four".