123312003523 has 8 divisors (see below), whose sum is σ = 125142656000. Its totient is φ = 121488094728.

The previous prime is 123312003467. The next prime is 123312003533. The reversal of 123312003523 is 325300213321.

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 123312003523 - 2¹⁷ = 123311872451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123312003533) 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, 1649073 + ... + 1722226.

It is an arithmetic number, because the mean of its divisors is an integer number (15642832000).

Almost surely, 2^123312003523 is an apocalyptic number.

123312003523 is a deficient number, since it is larger than the sum of its proper divisors (1830652477).

123312003523 is an equidigital number, since it uses as much as digits as its factorization.

123312003523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3371841.

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 123312003523 its reverse (325300213321), we get a palindrome (448612216844).

The spelling of 123312003523 in words is "one hundred twenty-three billion, three hundred twelve million, three thousand, five hundred twenty-three".