203342012554 has 16 divisors (see below), whose sum is σ = 308903673600. Its totient is φ = 100374369264.

The previous prime is 203342012539. The next prime is 203342012567. The reversal of 203342012554 is 455210243302.

It is a super-2 number, since 2×203342012554² (a number of 23 digits) contains 22 as substring.

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, 1752412 + ... + 1864840.

It is an arithmetic number, because the mean of its divisors is an integer number (19306479600).

Almost surely, 2^203342012554 is an apocalyptic number.

203342012554 is a deficient number, since it is larger than the sum of its proper divisors (105561661046).

203342012554 is a wasteful number, since it uses less digits than its factorization.

203342012554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123957.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 203342012554 its reverse (455210243302), we get a palindrome (658552255856).

The spelling of 203342012554 in words is "two hundred three billion, three hundred forty-two million, twelve thousand, five hundred fifty-four".