123120236350 has 24 divisors (see below), whose sum is σ = 229953884688. Its totient is φ = 49043740800.

The previous prime is 123120236329. The next prime is 123120236357. The reversal of 123120236350 is 53632021321.

It is a super-2 number, since 2×123120236350² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123120236357) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5096674 + ... + 5120773.

It is an arithmetic number, because the mean of its divisors is an integer number (9581411862).

Almost surely, 2^123120236350 is an apocalyptic number.

123120236350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123120236350 is a deficient number, since it is larger than the sum of its proper divisors (106833648338).

123120236350 is a wasteful number, since it uses less digits than its factorization.

123120236350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10217700 (or 10217695 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 123120236350 its reverse (53632021321), we get a palindrome (176752257671).

The spelling of 123120236350 in words is "one hundred twenty-three billion, one hundred twenty million, two hundred thirty-six thousand, three hundred fifty".