12140123603 has 4 divisors (see below), whose sum is σ = 12667955088. Its totient is φ = 11612292120.

The previous prime is 12140123591. The next prime is 12140123659. The reversal of 12140123603 is 30632104121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30632104121 = 31 ⋅988132391.

It is a cyclic number.

It is not a de Polignac number, because 12140123603 - 2¹⁴ = 12140107219 is a prime.

It is a super-2 number, since 2×12140123603² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 527831461 = 12140123603 / (1 + 2 + 1 + 4 + 0 + 1 + 2 + 3 + 6 + 0 + 3).

It is not an unprimeable number, because it can be changed into a prime (12140123503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263915708 + ... + 263915753.

It is an arithmetic number, because the mean of its divisors is an integer number (3166988772).

Almost surely, 2^12140123603 is an apocalyptic number.

12140123603 is a deficient number, since it is larger than the sum of its proper divisors (527831485).

12140123603 is an equidigital number, since it uses as much as digits as its factorization.

12140123603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527831484.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 12140123603 its reverse (30632104121), we get a palindrome (42772227724).

The spelling of 12140123603 in words is "twelve billion, one hundred forty million, one hundred twenty-three thousand, six hundred three".