124020124523 has 4 divisors (see below), whose sum is σ = 124028166648. Its totient is φ = 124012082400.

The previous prime is 124020124499. The next prime is 124020124559. The reversal of 124020124523 is 325421020421.

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 124020124523 - 2¹⁴ = 124020108139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124020124492 and 124020124501.

It is not an unprimeable number, because it can be changed into a prime (124020124573) 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, 3997886 + ... + 4028787.

It is an arithmetic number, because the mean of its divisors is an integer number (31007041662).

Almost surely, 2^124020124523 is an apocalyptic number.

124020124523 is a deficient number, since it is larger than the sum of its proper divisors (8042125).

124020124523 is an equidigital number, since it uses as much as digits as its factorization.

124020124523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8042124.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 124020124523 its reverse (325421020421), we get a palindrome (449441144944).

The spelling of 124020124523 in words is "one hundred twenty-four billion, twenty million, one hundred twenty-four thousand, five hundred twenty-three".