10203432456 has 32 divisors (see below), whose sum is σ = 29152664640. Its totient is φ = 2915266368.

The previous prime is 10203432451. The next prime is 10203432457. The reversal of 10203432456 is 65423430201.

It is a super-2 number, since 2×10203432456² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10203432451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30367191 + ... + 30367526.

It is an arithmetic number, because the mean of its divisors is an integer number (911020770).

Almost surely, 2^10203432456 is an apocalyptic number.

It is an amenable number.

10203432456 is an abundant number, since it is smaller than the sum of its proper divisors (18949232184).

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

10203432456 is a wasteful number, since it uses less digits than its factorization.

10203432456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60734733 (or 60734729 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 10203432456 its reverse (65423430201), we get a palindrome (75626862657).

The spelling of 10203432456 in words is "ten billion, two hundred three million, four hundred thirty-two thousand, four hundred fifty-six".