5131002623 has 4 divisors (see below), whose sum is σ = 5131280208. Its totient is φ = 5130725040.

The previous prime is 5131002593. The next prime is 5131002631. The reversal of 5131002623 is 3262001315.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3262001315 = 5 ⋅652400263.

It is a cyclic number.

It is not a de Polignac number, because 5131002623 - 2⁶ = 5131002559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5131002223) 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, 108923 + ... + 148748.

It is an arithmetic number, because the mean of its divisors is an integer number (1282820052).

Almost surely, 2^5131002623 is an apocalyptic number.

5131002623 is a deficient number, since it is larger than the sum of its proper divisors (277585).

5131002623 is a wasteful number, since it uses less digits than its factorization.

5131002623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277584.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 5131002623 is about 71631.0171852948. The cubic root of 5131002623 is about 1724.7814745795.

Adding to 5131002623 its reverse (3262001315), we get a palindrome (8393003938).

The spelling of 5131002623 in words is "five billion, one hundred thirty-one million, two thousand, six hundred twenty-three".