40013110031623 has 2 divisors, whose sum is σ = 40013110031624. Its totient is φ = 40013110031622.

The previous prime is 40013110031591. The next prime is 40013110031663. The reversal of 40013110031623 is 32613001131004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40013110031623 - 2⁵ = 40013110031591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40013110031663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20006555015811 + 20006555015812.

It is an arithmetic number, because the mean of its divisors is an integer number (20006555015812).

Almost surely, 2^{40013110031623} is an apocalyptic number.

40013110031623 is a deficient number, since it is larger than the sum of its proper divisors (1).

40013110031623 is an equidigital number, since it uses as much as digits as its factorization.

40013110031623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 40013110031623 its reverse (32613001131004), we get a palindrome (72626111162627).

The spelling of 40013110031623 in words is "forty trillion, thirteen billion, one hundred ten million, thirty-one thousand, six hundred twenty-three".