40234120203 has 4 divisors (see below), whose sum is σ = 53645493608. Its totient is φ = 26822746800.

The previous prime is 40234120183. The next prime is 40234120247. The reversal of 40234120203 is 30202143204.

40234120203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 40234120203 - 2¹⁶ = 40234054667 is a prime.

It is a super-2 number, since 2×40234120203² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40234120203.

It is not an unprimeable number, because it can be changed into a prime (40234120273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6705686698 + ... + 6705686703.

It is an arithmetic number, because the mean of its divisors is an integer number (13411373402).

Almost surely, 2^40234120203 is an apocalyptic number.

40234120203 is a deficient number, since it is larger than the sum of its proper divisors (13411373405).

40234120203 is a wasteful number, since it uses less digits than its factorization.

40234120203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13411373404.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 40234120203 its reverse (30202143204), we get a palindrome (70436263407).

The spelling of 40234120203 in words is "forty billion, two hundred thirty-four million, one hundred twenty thousand, two hundred three".