40423247003623 has 16 divisors (see below), whose sum is σ = 44119221445152. Its totient is φ = 36730796544000.

The previous prime is 40423247003569. The next prime is 40423247003641. The reversal of 40423247003623 is 32630074232404.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40423247003623 is a prime.

It is a super-2 number, since 2×40423247003623² (a number of 28 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 (40423247003123) 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, 795191215 + ... + 795242047.

It is an arithmetic number, because the mean of its divisors is an integer number (2757451340322).

Almost surely, 2^{40423247003623} is an apocalyptic number.

40423247003623 is a deficient number, since it is larger than the sum of its proper divisors (3695974441529).

40423247003623 is a wasteful number, since it uses less digits than its factorization.

40423247003623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84066.

The product of its (nonzero) digits is 580608, while the sum is 40.

The spelling of 40423247003623 in words is "forty trillion, four hundred twenty-three billion, two hundred forty-seven million, three thousand, six hundred twenty-three".