124047354742523 has 16 divisors (see below), whose sum is σ = 125918841624576. Its totient is φ = 122184868176000.

The previous prime is 124047354742511. The next prime is 124047354742547. The reversal of 124047354742523 is 325247453740421.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124047354742523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124047354792523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1053412898 + ... + 1053530648.

It is an arithmetic number, because the mean of its divisors is an integer number (7869927601536).

Almost surely, 2^{124047354742523} is an apocalyptic number.

124047354742523 is a deficient number, since it is larger than the sum of its proper divisors (1871486882053).

124047354742523 is a wasteful number, since it uses less digits than its factorization.

124047354742523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155834.

The product of its (nonzero) digits is 22579200, while the sum is 53.

The spelling of 124047354742523 in words is "one hundred twenty-four trillion, forty-seven billion, three hundred fifty-four million, seven hundred forty-two thousand, five hundred twenty-three".