40423993301 has 2 divisors, whose sum is σ = 40423993302. Its totient is φ = 40423993300.

The previous prime is 40423993279. The next prime is 40423993331. The reversal of 40423993301 is 10339932404.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31922968900 + 8501024401 = 178670^2 + 92201^2 .

It is a cyclic number.

It is not a de Polignac number, because 40423993301 - 2⁶ = 40423993237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40423993331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20211996650 + 20211996651.

It is an arithmetic number, because the mean of its divisors is an integer number (20211996651).

Almost surely, 2^40423993301 is an apocalyptic number.

It is an amenable number.

40423993301 is a deficient number, since it is larger than the sum of its proper divisors (1).

40423993301 is an equidigital number, since it uses as much as digits as its factorization.

40423993301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 38.

The spelling of 40423993301 in words is "forty billion, four hundred twenty-three million, nine hundred ninety-three thousand, three hundred one".