40040221223 has 2 divisors, whose sum is σ = 40040221224. Its totient is φ = 40040221222.

The previous prime is 40040221189. The next prime is 40040221241. The reversal of 40040221223 is 32212204004.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40040221223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40040221195 and 40040221204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40040221253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20020110611 + 20020110612.

It is an arithmetic number, because the mean of its divisors is an integer number (20020110612).

Almost surely, 2^40040221223 is an apocalyptic number.

40040221223 is a deficient number, since it is larger than the sum of its proper divisors (1).

40040221223 is an equidigital number, since it uses as much as digits as its factorization.

40040221223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 40040221223 its reverse (32212204004), we get a palindrome (72252425227).

The spelling of 40040221223 in words is "forty billion, forty million, two hundred twenty-one thousand, two hundred twenty-three".