5201021623 has 8 divisors (see below), whose sum is σ = 5944590848. Its totient is φ = 4457593944.

The previous prime is 5201021597. The next prime is 5201021627. The reversal of 5201021623 is 3261201025.

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

It is a cyclic number.

It is not a de Polignac number, because 5201021623 - 2⁵ = 5201021591 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5201021594 and 5201021603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5201021627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60790 + ... + 118732.

It is an arithmetic number, because the mean of its divisors is an integer number (743073856).

Almost surely, 2^5201021623 is an apocalyptic number.

5201021623 is a deficient number, since it is larger than the sum of its proper divisors (743569225).

5201021623 is a wasteful number, since it uses less digits than its factorization.

5201021623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70773.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 5201021623 is about 72118.1088423705. The cubic root of 5201021623 is about 1732.5916609183.

Adding to 5201021623 its reverse (3261201025), we get a palindrome (8462222648).

The spelling of 5201021623 in words is "five billion, two hundred one million, twenty-one thousand, six hundred twenty-three".