840232346503 has 16 divisors (see below), whose sum is σ = 922811645952. Its totient is φ = 758697588000.

The previous prime is 840232346467. The next prime is 840232346531. The reversal of 840232346503 is 305643232048.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-840232346503 is a prime.

It is a super-2 number, since 2×840232346503² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (840232346003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1086250 + ... + 1691272.

It is an arithmetic number, because the mean of its divisors is an integer number (57675727872).

Almost surely, 2^840232346503 is an apocalyptic number.

840232346503 is a deficient number, since it is larger than the sum of its proper divisors (82579299449).

840232346503 is a wasteful number, since it uses less digits than its factorization.

840232346503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605886.

The product of its (nonzero) digits is 414720, while the sum is 40.

The spelling of 840232346503 in words is "eight hundred forty billion, two hundred thirty-two million, three hundred forty-six thousand, five hundred three".