123247043 has 2 divisors, whose sum is σ = 123247044. Its totient is φ = 123247042.

The previous prime is 123246973. The next prime is 123247057. The reversal of 123247043 is 340742321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123247043 - 2¹⁴ = 123230659 is a prime.

It is not a weakly prime, because it can be changed into another prime (123247543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61623521 + 61623522.

It is an arithmetic number, because the mean of its divisors is an integer number (61623522).

Almost surely, 2^123247043 is an apocalyptic number.

123247043 is a deficient number, since it is larger than the sum of its proper divisors (1).

123247043 is an equidigital number, since it uses as much as digits as its factorization.

123247043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 123247043 is about 11101.6684782063. The cubic root of 123247043 is about 497.6517123563.

Adding to 123247043 its reverse (340742321), we get a palindrome (463989364).

The spelling of 123247043 in words is "one hundred twenty-three million, two hundred forty-seven thousand, forty-three".