140230503123 has 16 divisors (see below), whose sum is σ = 188849047296. Its totient is φ = 92549714400.

The previous prime is 140230503121. The next prime is 140230503137. The reversal of 140230503123 is 321305032041.

It is not a de Polignac number, because 140230503123 - 2¹ = 140230503121 is a prime.

It is a super-2 number, since 2×140230503123² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140230503093 and 140230503102.

It is not an unprimeable number, because it can be changed into a prime (140230503121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2842836 + ... + 2891742.

It is an arithmetic number, because the mean of its divisors is an integer number (11803065456).

Almost surely, 2^140230503123 is an apocalyptic number.

140230503123 is a deficient number, since it is larger than the sum of its proper divisors (48618544173).

140230503123 is a wasteful number, since it uses less digits than its factorization.

140230503123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58474.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 140230503123 its reverse (321305032041), we get a palindrome (461535535164).

The spelling of 140230503123 in words is "one hundred forty billion, two hundred thirty million, five hundred three thousand, one hundred twenty-three".