123413156203 has 4 divisors (see below), whose sum is σ = 123496488648. Its totient is φ = 123329823760.

The previous prime is 123413156197. The next prime is 123413156227. The reversal of 123413156203 is 302651314321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302651314321 = 53 ⋅5710402157.

It is a cyclic number.

It is not a de Polignac number, because 123413156203 - 2⁵ = 123413156171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123413156003) 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, 41664001 + ... + 41666962.

It is an arithmetic number, because the mean of its divisors is an integer number (30874122162).

Almost surely, 2^123413156203 is an apocalyptic number.

123413156203 is a deficient number, since it is larger than the sum of its proper divisors (83332445).

123413156203 is an equidigital number, since it uses as much as digits as its factorization.

123413156203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83332444.

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 123413156203 in words is "one hundred twenty-three billion, four hundred thirteen million, one hundred fifty-six thousand, two hundred three".