983437811823 has 8 divisors (see below), whose sum is σ = 1311513053488. Its totient is φ = 655493889024.

The previous prime is 983437811819. The next prime is 983437811849. The reversal of 983437811823 is 328118734389.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 983437811823 - 2² = 983437811819 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (983437811023) 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, 32812240 + ... + 32842197.

It is an arithmetic number, because the mean of its divisors is an integer number (163939131686).

Almost surely, 2^983437811823 is an apocalyptic number.

983437811823 is a deficient number, since it is larger than the sum of its proper divisors (328075241665).

983437811823 is a wasteful number, since it uses less digits than its factorization.

983437811823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65659433.

The product of its digits is 6967296, while the sum is 57.

The spelling of 983437811823 in words is "nine hundred eighty-three billion, four hundred thirty-seven million, eight hundred eleven thousand, eight hundred twenty-three".