40130323 has 2 divisors, whose sum is σ = 40130324. Its totient is φ = 40130322.

The previous prime is 40130281. The next prime is 40130327. The reversal of 40130323 is 32303104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40130323 - 2⁹ = 40129811 is a prime.

It is a super-2 number, since 2×40130323² = 3220885648168658, which contains 22 as substring.

It is equal to p_2441113 and since 40130323 and 2441113 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 40130297 and 40130306.

It is not a weakly prime, because it can be changed into another prime (40130327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20065161 + 20065162.

It is an arithmetic number, because the mean of its divisors is an integer number (20065162).

Almost surely, 2^40130323 is an apocalyptic number.

40130323 is a deficient number, since it is larger than the sum of its proper divisors (1).

40130323 is an equidigital number, since it uses as much as digits as its factorization.

40130323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 40130323 is about 6334.8498798314. The cubic root of 40130323 is about 342.3662020230.

Adding to 40130323 its reverse (32303104), we get a palindrome (72433427).

The spelling of 40130323 in words is "forty million, one hundred thirty thousand, three hundred twenty-three".