40201202123 has 8 divisors (see below), whose sum is σ = 40315768416. Its totient is φ = 40086755200.

The previous prime is 40201202089. The next prime is 40201202141. The reversal of 40201202123 is 32120210204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40201202123 - 2²⁸ = 39932766667 is a prime.

It is a super-2 number, since 2×40201202123² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40201202423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 667715 + ... + 725427.

It is an arithmetic number, because the mean of its divisors is an integer number (5039471052).

Almost surely, 2^40201202123 is an apocalyptic number.

40201202123 is a deficient number, since it is larger than the sum of its proper divisors (114566293).

40201202123 is a wasteful number, since it uses less digits than its factorization.

40201202123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59685.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 40201202123 its reverse (32120210204), we get a palindrome (72321412327).

The spelling of 40201202123 in words is "forty billion, two hundred one million, two hundred two thousand, one hundred twenty-three".