203240001425 has 24 divisors (see below), whose sum is σ = 253159094400. Its totient is φ = 161856031680.

The previous prime is 203240001409. The next prime is 203240001493. The reversal of 203240001425 is 524100042302.

It is a happy number.

It is not a de Polignac number, because 203240001425 - 2⁴ = 203240001409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 203240001425.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32375387 + ... + 32381663.

It is an arithmetic number, because the mean of its divisors is an integer number (10548295600).

Almost surely, 2^203240001425 is an apocalyptic number.

203240001425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

203240001425 is a deficient number, since it is larger than the sum of its proper divisors (49919092975).

203240001425 is a wasteful number, since it uses less digits than its factorization.

203240001425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11945 (or 11940 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 203240001425 its reverse (524100042302), we get a palindrome (727340043727).

The spelling of 203240001425 in words is "two hundred three billion, two hundred forty million, one thousand, four hundred twenty-five".