123122040503 has 8 divisors (see below), whose sum is σ = 153502803840. Its totient is φ = 95939252280.

The previous prime is 123122040499. The next prime is 123122040511. The reversal of 123122040503 is 305040221321.

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 123122040503 - 2² = 123122040499 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 (123122040533) 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, 799493693 + ... + 799493846.

It is an arithmetic number, because the mean of its divisors is an integer number (19187850480).

Almost surely, 2^123122040503 is an apocalyptic number.

123122040503 is a deficient number, since it is larger than the sum of its proper divisors (30380763337).

123122040503 is a wasteful number, since it uses less digits than its factorization.

123122040503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1598987557.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 123122040503 its reverse (305040221321), we get a palindrome (428162261824).

The spelling of 123122040503 in words is "one hundred twenty-three billion, one hundred twenty-two million, forty thousand, five hundred three".