404514023 has 2 divisors, whose sum is σ = 404514024. Its totient is φ = 404514022.

The previous prime is 404513981. The next prime is 404514043. The reversal of 404514023 is 320415404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 404514023 - 2¹² = 404509927 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 404514023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404514043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202257011 + 202257012.

It is an arithmetic number, because the mean of its divisors is an integer number (202257012).

Almost surely, 2^404514023 is an apocalyptic number.

404514023 is a deficient number, since it is larger than the sum of its proper divisors (1).

404514023 is an equidigital number, since it uses as much as digits as its factorization.

404514023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 404514023 is about 20112.5339775972. The cubic root of 404514023 is about 739.5675724099.

Adding to 404514023 its reverse (320415404), we get a palindrome (724929427).

The spelling of 404514023 in words is "four hundred four million, five hundred fourteen thousand, twenty-three".