203234124040 has 32 divisors (see below), whose sum is σ = 457385544000. Its totient is φ = 81274313664.

The previous prime is 203234124019. The next prime is 203234124061. The reversal of 203234124040 is 40421432302.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (203234124019) and next prime (203234124061).

It is a super-2 number, since 2×203234124040² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203234123996 and 203234124014.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433380 + ... + 770899.

It is an arithmetic number, because the mean of its divisors is an integer number (14293298250).

Almost surely, 2^203234124040 is an apocalyptic number.

203234124040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203234124040 is an abundant number, since it is smaller than the sum of its proper divisors (254151419960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203234124040 is a wasteful number, since it uses less digits than its factorization.

203234124040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208509 (or 1208505 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 203234124040 its reverse (40421432302), we get a palindrome (243655556342).

The spelling of 203234124040 in words is "two hundred three billion, two hundred thirty-four million, one hundred twenty-four thousand, forty".