40223933 has 2 divisors, whose sum is σ = 40223934. Its totient is φ = 40223932.

The previous prime is 40223917. The next prime is 40223951. The reversal of 40223933 is 33932204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29181604 + 11042329 = 5402^2 + 3323^2 .

It is a cyclic number.

It is not a de Polignac number, because 40223933 - 2⁴ = 40223917 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40223903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20111966 + 20111967.

It is an arithmetic number, because the mean of its divisors is an integer number (20111967).

Almost surely, 2^40223933 is an apocalyptic number.

It is an amenable number.

40223933 is a deficient number, since it is larger than the sum of its proper divisors (1).

40223933 is an equidigital number, since it uses as much as digits as its factorization.

40223933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 40223933 is about 6342.2340701050. The cubic root of 40223933 is about 342.6322021479.

The spelling of 40223933 in words is "forty million, two hundred twenty-three thousand, nine hundred thirty-three".