123470446243 has 4 divisors (see below), whose sum is σ = 123475605688. Its totient is φ = 123465286800.

The previous prime is 123470446201. The next prime is 123470446289. The reversal of 123470446243 is 342644074321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342644074321 = 2099 ⋅163241579.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123470446243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123470446196 and 123470446205.

It is not an unprimeable number, because it can be changed into a prime (123470446543) 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, 2543658 + ... + 2591743.

It is an arithmetic number, because the mean of its divisors is an integer number (30868901422).

Almost surely, 2^123470446243 is an apocalyptic number.

123470446243 is a deficient number, since it is larger than the sum of its proper divisors (5159445).

123470446243 is an equidigital number, since it uses as much as digits as its factorization.

123470446243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5159444.

The product of its (nonzero) digits is 387072, while the sum is 40.

The spelling of 123470446243 in words is "one hundred twenty-three billion, four hundred seventy million, four hundred forty-six thousand, two hundred forty-three".