40004322023 has 2 divisors, whose sum is σ = 40004322024. Its totient is φ = 40004322022.

The previous prime is 40004321999. The next prime is 40004322047. The reversal of 40004322023 is 32022340004.

It is a balanced prime because it is at equal distance from previous prime (40004321999) and next prime (40004322047).

It is a cyclic number.

It is not a de Polignac number, because 40004322023 - 2²⁰ = 40003273447 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 40004321986 and 40004322004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40004322623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20002161011 + 20002161012.

It is an arithmetic number, because the mean of its divisors is an integer number (20002161012).

Almost surely, 2^40004322023 is an apocalyptic number.

40004322023 is a deficient number, since it is larger than the sum of its proper divisors (1).

40004322023 is an equidigital number, since it uses as much as digits as its factorization.

40004322023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 40004322023 its reverse (32022340004), we get a palindrome (72026662027).

The spelling of 40004322023 in words is "forty billion, four million, three hundred twenty-two thousand, twenty-three".