140123030 has 16 divisors (see below), whose sum is σ = 252640080. Its totient is φ = 55956192.

The previous prime is 140123029. The next prime is 140123059. The reversal of 140123030 is 30321041.

It is a junction number, because it is equal to n+sod(n) for n = 140122996 and 140123014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5129 + ... + 17508.

It is an arithmetic number, because the mean of its divisors is an integer number (15790005).

Almost surely, 2^140123030 is an apocalyptic number.

140123030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140123030 is a deficient number, since it is larger than the sum of its proper divisors (112517050).

140123030 is a wasteful number, since it uses less digits than its factorization.

140123030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23263.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 140123030 is about 11837.3573909044. The cubic root of 140123030 is about 519.4014686395.

Adding to 140123030 its reverse (30321041), we get a palindrome (170444071).

The spelling of 140123030 in words is "one hundred forty million, one hundred twenty-three thousand, thirty".