3803401081623 has 32 divisors (see below), whose sum is σ = 5982703211520. Its totient is φ = 2118873939840.

The previous prime is 3803401081619. The next prime is 3803401081661. The reversal of 3803401081623 is 3261801043083.

It is not a de Polignac number, because 3803401081623 - 2² = 3803401081619 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3803401081693) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18445036 + ... + 18650097.

It is an arithmetic number, because the mean of its divisors is an integer number (186959475360).

Almost surely, 2^{3803401081623} is an apocalyptic number.

3803401081623 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

3803401081623 is a deficient number, since it is larger than the sum of its proper divisors (2179302129897).

3803401081623 is a wasteful number, since it uses less digits than its factorization.

3803401081623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37095399.

The product of its (nonzero) digits is 82944, while the sum is 39.

The spelling of 3803401081623 in words is "three trillion, eight hundred three billion, four hundred one million, eighty-one thousand, six hundred twenty-three".