404734123 has 2 divisors, whose sum is σ = 404734124. Its totient is φ = 404734122.

The previous prime is 404734051. The next prime is 404734139. The reversal of 404734123 is 321437404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 404734123 - 2¹³ = 404725931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 404734091 and 404734100.

It is not a weakly prime, because it can be changed into another prime (404734153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202367061 + 202367062.

It is an arithmetic number, because the mean of its divisors is an integer number (202367062).

Almost surely, 2^404734123 is an apocalyptic number.

404734123 is a deficient number, since it is larger than the sum of its proper divisors (1).

404734123 is an equidigital number, since it uses as much as digits as its factorization.

404734123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 404734123 is about 20118.0049458191. The cubic root of 404734123 is about 739.7016833836.

It can be divided in two parts, 404 and 734123, that multiplied together give a palindrome (296585692).

The spelling of 404734123 in words is "four hundred four million, seven hundred thirty-four thousand, one hundred twenty-three".