123724550046 has 16 divisors (see below), whose sum is σ = 254136914064. Its totient is φ = 40126881024.

The previous prime is 123724550039. The next prime is 123724550051. The reversal of 123724550046 is 640055427321.

It is a junction number, because it is equal to n+sod(n) for n = 123724549986 and 123724550013.

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 7 ways as a sum of consecutive naturals, for example, 278658675 + ... + 278659118.

It is an arithmetic number, because the mean of its divisors is an integer number (15883557129).

Almost surely, 2^123724550046 is an apocalyptic number.

123724550046 is an abundant number, since it is smaller than the sum of its proper divisors (130412364018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123724550046 is a wasteful number, since it uses less digits than its factorization.

123724550046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557317835.

The product of its (nonzero) digits is 201600, while the sum is 39.

Adding to 123724550046 its reverse (640055427321), we get a palindrome (763779977367).

The spelling of 123724550046 in words is "one hundred twenty-three billion, seven hundred twenty-four million, five hundred fifty thousand, forty-six".