40140201533623 has 2 divisors, whose sum is σ = 40140201533624. Its totient is φ = 40140201533622.

The previous prime is 40140201533587. The next prime is 40140201533693. The reversal of 40140201533623 is 32633510204104.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40140201533623 - 2²¹ = 40140199436471 is a prime.

It is a super-2 number, since 2×40140201533623² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40140201533693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20070100766811 + 20070100766812.

It is an arithmetic number, because the mean of its divisors is an integer number (20070100766812).

Almost surely, 2^{40140201533623} is an apocalyptic number.

40140201533623 is a deficient number, since it is larger than the sum of its proper divisors (1).

40140201533623 is an equidigital number, since it uses as much as digits as its factorization.

40140201533623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 40140201533623 its reverse (32633510204104), we get a palindrome (72773711737727).

The spelling of 40140201533623 in words is "forty trillion, one hundred forty billion, two hundred one million, five hundred thirty-three thousand, six hundred twenty-three".