538721623003 has 16 divisors (see below), whose sum is σ = 570588143616. Its totient is φ = 507572160480.

The previous prime is 538721622997. The next prime is 538721623007. The reversal of 538721623003 is 300326127835.

It is a cyclic number.

It is not a de Polignac number, because 538721623003 - 2³⁷ = 401282669531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (538721623007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1623325 + ... + 1926817.

It is an arithmetic number, because the mean of its divisors is an integer number (35661758976).

Almost surely, 2^538721623003 is an apocalyptic number.

538721623003 is a deficient number, since it is larger than the sum of its proper divisors (31866520613).

538721623003 is a wasteful number, since it uses less digits than its factorization.

538721623003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304674.

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 538721623003 in words is "five hundred thirty-eight billion, seven hundred twenty-one million, six hundred twenty-three thousand, three".