40023097 has 2 divisors, whose sum is σ = 40023098. Its totient is φ = 40023096.

The previous prime is 40023089. The next prime is 40023119. The reversal of 40023097 is 79032004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36529936 + 3493161 = 6044^2 + 1869^2 .

It is a cyclic number.

It is not a de Polignac number, because 40023097 - 2³ = 40023089 is a prime.

It is not a weakly prime, because it can be changed into another prime (40023007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20011548 + 20011549.

It is an arithmetic number, because the mean of its divisors is an integer number (20011549).

Almost surely, 2^40023097 is an apocalyptic number.

It is an amenable number.

40023097 is a deficient number, since it is larger than the sum of its proper divisors (1).

40023097 is an equidigital number, since it uses as much as digits as its factorization.

40023097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 40023097 is about 6326.3810349994. The cubic root of 40023097 is about 342.0610021937.

The spelling of 40023097 in words is "forty million, twenty-three thousand, ninety-seven".