140202234123 has 16 divisors (see below), whose sum is σ = 213648871680. Its totient is φ = 80112797856.

The previous prime is 140202234083. The next prime is 140202234143. The reversal of 140202234123 is 321432202041.

It is a happy number.

It is not a de Polignac number, because 140202234123 - 2¹⁰ = 140202233099 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140202234093 and 140202234102.

It is not an unprimeable number, because it can be changed into a prime (140202234143) 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, 615748 + ... + 812126.

It is an arithmetic number, because the mean of its divisors is an integer number (13353054480).

Almost surely, 2^140202234123 is an apocalyptic number.

140202234123 is a deficient number, since it is larger than the sum of its proper divisors (73446637557).

140202234123 is a wasteful number, since it uses less digits than its factorization.

140202234123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230386.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 140202234123 its reverse (321432202041), we get a palindrome (461634436164).

The spelling of 140202234123 in words is "one hundred forty billion, two hundred two million, two hundred thirty-four thousand, one hundred twenty-three".