140000202123 has 16 divisors (see below), whose sum is σ = 188215539072. Its totient is φ = 92560104000.

The previous prime is 140000202101. The next prime is 140000202149. The reversal of 140000202123 is 321202000041.

It is not a de Polignac number, because 140000202123 - 2²⁴ = 139983424907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140000202193) 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, 485343 + ... + 718023.

It is an arithmetic number, because the mean of its divisors is an integer number (11763471192).

Almost surely, 2^140000202123 is an apocalyptic number.

140000202123 is a deficient number, since it is larger than the sum of its proper divisors (48215336949).

140000202123 is a wasteful number, since it uses less digits than its factorization.

140000202123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234346.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 140000202123 its reverse (321202000041), we get a palindrome (461202202164).

The spelling of 140000202123 in words is "one hundred forty billion, two hundred two thousand, one hundred twenty-three".