140232123 has 12 divisors (see below), whose sum is σ = 202728240. Its totient is φ = 93409296.

The previous prime is 140232119. The next prime is 140232143. The reversal of 140232123 is 321232041.

It is not a de Polignac number, because 140232123 - 2² = 140232119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140232096 and 140232105.

It is not an unprimeable number, because it can be changed into a prime (140232143) 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, 5965 + ... + 17777.

It is an arithmetic number, because the mean of its divisors is an integer number (16894020).

Almost surely, 2^140232123 is an apocalyptic number.

140232123 is a deficient number, since it is larger than the sum of its proper divisors (62496117).

140232123 is a wasteful number, since it uses less digits than its factorization.

140232123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13138 (or 13135 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 140232123 is about 11841.9644907422. The cubic root of 140232123 is about 519.5362272768.

Adding to 140232123 its reverse (321232041), we get a palindrome (461464164).

The spelling of 140232123 in words is "one hundred forty million, two hundred thirty-two thousand, one hundred twenty-three".