40420213323 has 16 divisors (see below), whose sum is σ = 63025095936. Its totient is φ = 22560118560.

The previous prime is 40420213303. The next prime is 40420213349. The reversal of 40420213323 is 32331202404.

It is not a de Polignac number, because 40420213323 - 2⁵ = 40420213291 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40420213293 and 40420213302.

It is not an unprimeable number, because it can be changed into a prime (40420213303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22380168 + ... + 22381973.

It is an arithmetic number, because the mean of its divisors is an integer number (3939068496).

Almost surely, 2^40420213323 is an apocalyptic number.

40420213323 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

40420213323 is a deficient number, since it is larger than the sum of its proper divisors (22604882613).

40420213323 is a wasteful number, since it uses less digits than its factorization.

40420213323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44762194.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 40420213323 its reverse (32331202404), we get a palindrome (72751415727).

The spelling of 40420213323 in words is "forty billion, four hundred twenty million, two hundred thirteen thousand, three hundred twenty-three".