123724550045 has 32 divisors (see below), whose sum is σ = 153269867520. Its totient is φ = 95826758400.

The previous prime is 123724550039. The next prime is 123724550051. The reversal of 123724550045 is 540055427321.

It is an interprime number because it is at equal distance from previous prime (123724550039) and next prime (123724550051).

It is not a de Polignac number, because 123724550045 - 2⁴ = 123724550029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123724549990 and 123724550008.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 40181816 + ... + 40184894.

It is an arithmetic number, because the mean of its divisors is an integer number (4789683360).

Almost surely, 2^123724550045 is an apocalyptic number.

It is an amenable number.

123724550045 is a deficient number, since it is larger than the sum of its proper divisors (29545317475).

123724550045 is a wasteful number, since it uses less digits than its factorization.

123724550045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4925.

The product of its (nonzero) digits is 168000, while the sum is 38.

Adding to 123724550045 its reverse (540055427321), we get a palindrome (663779977366).

The spelling of 123724550045 in words is "one hundred twenty-three billion, seven hundred twenty-four million, five hundred fifty thousand, forty-five".