123207020503 has 8 divisors (see below), whose sum is σ = 140810362880. Its totient is φ = 105604263000.

The previous prime is 123207020491. The next prime is 123207020507. The reversal of 123207020503 is 305020702321.

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 123207020503 - 2¹⁷ = 123206889431 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 (123207020507) 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, 489418 + ... + 697096.

It is an arithmetic number, because the mean of its divisors is an integer number (17601295360).

Almost surely, 2^123207020503 is an apocalyptic number.

123207020503 is a deficient number, since it is larger than the sum of its proper divisors (17603342377).

123207020503 is an equidigital number, since it uses as much as digits as its factorization.

123207020503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292437.

The product of its (nonzero) digits is 2520, while the sum is 25.

Adding to 123207020503 its reverse (305020702321), we get a palindrome (428227722824).

The spelling of 123207020503 in words is "one hundred twenty-three billion, two hundred seven million, twenty thousand, five hundred three".