3123142402 has 8 divisors (see below), whose sum is σ = 4731097212. Its totient is φ = 1546110000.

The previous prime is 3123142397. The next prime is 3123142409. The reversal of 3123142402 is 2042413213.

3123142402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2983453641 + 139688761 = 54621^2 + 11819^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3123142409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7730349 + ... + 7730752.

Almost surely, 2^3123142402 is an apocalyptic number.

3123142402 is a deficient number, since it is larger than the sum of its proper divisors (1607954810).

3123142402 is a wasteful number, since it uses less digits than its factorization.

3123142402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15461204.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 3123142402 is about 55885.0821060504. The cubic root of 3123142402 is about 1461.7191237141.

Adding to 3123142402 its reverse (2042413213), we get a palindrome (5165555615).

The spelling of 3123142402 in words is "three billion, one hundred twenty-three million, one hundred forty-two thousand, four hundred two".