5123152420 has 12 divisors (see below), whose sum is σ = 10758620124. Its totient is φ = 2049260960.

The previous prime is 5123152367. The next prime is 5123152427. The reversal of 5123152420 is 242513215.

It can be written as a sum of positive squares in 2 ways, for example, as 1163219236 + 3959933184 = 34106^2 + 62928^2 .

It is not an unprimeable number, because it can be changed into a prime (5123152427) 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, 128078791 + ... + 128078830.

It is an arithmetic number, because the mean of its divisors is an integer number (896551677).

Almost surely, 2^5123152420 is an apocalyptic number.

It is an amenable number.

5123152420 is an abundant number, since it is smaller than the sum of its proper divisors (5635467704).

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

5123152420 is a wasteful number, since it uses less digits than its factorization.

5123152420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256157630 (or 256157628 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 5123152420 is about 71576.2000947242. The cubic root of 5123152420 is about 1723.9014129415.

Adding to 5123152420 its reverse (242513215), we get a palindrome (5365665635).

The spelling of 5123152420 in words is "five billion, one hundred twenty-three million, one hundred fifty-two thousand, four hundred twenty".