124349017423 has 4 divisors (see below), whose sum is σ = 124373032840. Its totient is φ = 124325002008.

The previous prime is 124349017409. The next prime is 124349017453. The reversal of 124349017423 is 324710943421.

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 124349017423 - 2²⁹ = 123812146511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124349017453) 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, 11999940 + ... + 12010297.

It is an arithmetic number, because the mean of its divisors is an integer number (31093258210).

Almost surely, 2^124349017423 is an apocalyptic number.

124349017423 is a deficient number, since it is larger than the sum of its proper divisors (24015417).

124349017423 is an equidigital number, since it uses as much as digits as its factorization.

124349017423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24015416.

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 124349017423 in words is "one hundred twenty-four billion, three hundred forty-nine million, seventeen thousand, four hundred twenty-three".