5151032123 has 4 divisors (see below), whose sum is σ = 5151762000. Its totient is φ = 5150302248.

The previous prime is 5151032027. The next prime is 5151032129. The reversal of 5151032123 is 3212301515.

It is a happy number.

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 5151032123 - 2¹⁸ = 5150769979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5151032129) 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, 354248 + ... + 368501.

It is an arithmetic number, because the mean of its divisors is an integer number (1287940500).

Almost surely, 2^5151032123 is an apocalyptic number.

5151032123 is a deficient number, since it is larger than the sum of its proper divisors (729877).

5151032123 is an equidigital number, since it uses as much as digits as its factorization.

5151032123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729876.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 5151032123 is about 71770.6912534636. The cubic root of 5151032123 is about 1727.0228594919.

Adding to 5151032123 its reverse (3212301515), we get a palindrome (8363333638).

The spelling of 5151032123 in words is "five billion, one hundred fifty-one million, thirty-two thousand, one hundred twenty-three".