123007415243 has 4 divisors (see below), whose sum is σ = 123012620208. Its totient is φ = 123002210280.

The previous prime is 123007415239. The next prime is 123007415263. The reversal of 123007415243 is 342514700321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123007415243 - 2² = 123007415239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123007415263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2566871 + ... + 2614352.

It is an arithmetic number, because the mean of its divisors is an integer number (30753155052).

Almost surely, 2^123007415243 is an apocalyptic number.

123007415243 is a deficient number, since it is larger than the sum of its proper divisors (5204965).

123007415243 is an equidigital number, since it uses as much as digits as its factorization.

123007415243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5204964.

The product of its (nonzero) digits is 20160, while the sum is 32.

The spelling of 123007415243 in words is "one hundred twenty-three billion, seven million, four hundred fifteen thousand, two hundred forty-three".