40623103603403 has 2 divisors, whose sum is σ = 40623103603404. Its totient is φ = 40623103603402.

The previous prime is 40623103603363. The next prime is 40623103603427. The reversal of 40623103603403 is 30430630132604.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40623103603403 - 2⁴⁰ = 39523591975627 is a prime.

It is a super-2 number, since 2×40623103603403² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40623103603003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20311551801701 + 20311551801702.

It is an arithmetic number, because the mean of its divisors is an integer number (20311551801702).

Almost surely, 2^{40623103603403} is an apocalyptic number.

40623103603403 is a deficient number, since it is larger than the sum of its proper divisors (1).

40623103603403 is an equidigital number, since it uses as much as digits as its factorization.

40623103603403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 35.

The spelling of 40623103603403 in words is "forty trillion, six hundred twenty-three billion, one hundred three million, six hundred three thousand, four hundred three".