5123664031 has 4 divisors (see below), whose sum is σ = 5123818000. Its totient is φ = 5123510064.

The previous prime is 5123663957. The next prime is 5123664061. The reversal of 5123664031 is 1304663215.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5123664031 - 2⁷ = 5123663903 is a prime.

It is a super-2 number, since 2×5123664031² = 52503866205126337922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5123663984 and 5123664002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5123664061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4011 + ... + 101308.

It is an arithmetic number, because the mean of its divisors is an integer number (1280954500).

Almost surely, 2^5123664031 is an apocalyptic number.

5123664031 is a deficient number, since it is larger than the sum of its proper divisors (153969).

5123664031 is a wasteful number, since it uses less digits than its factorization.

5123664031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153968.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 5123664031 is about 71579.7738959827. The cubic root of 5123664031 is about 1723.9587954212.

The spelling of 5123664031 in words is "five billion, one hundred twenty-three million, six hundred sixty-four thousand, thirty-one".