123366043 has 4 divisors (see below), whose sum is σ = 128729808. Its totient is φ = 118002280.

The previous prime is 123366037. The next prime is 123366077. The reversal of 123366043 is 340663321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340663321 = 97 ⋅3511993.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123366043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123366013) 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, 2681848 + ... + 2681893.

It is an arithmetic number, because the mean of its divisors is an integer number (32182452).

Almost surely, 2^123366043 is an apocalyptic number.

123366043 is a deficient number, since it is larger than the sum of its proper divisors (5363765).

123366043 is an equidigital number, since it uses as much as digits as its factorization.

123366043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5363764.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 123366043 is about 11107.0267398616. The cubic root of 123366043 is about 497.8118284467.

It can be divided in two parts, 1233 and 66043, that added together give a palindrome (67276).

The spelling of 123366043 in words is "one hundred twenty-three million, three hundred sixty-six thousand, forty-three".