403412923 has 2 divisors, whose sum is σ = 403412924. Its totient is φ = 403412922.

The previous prime is 403412917. The next prime is 403412969. The reversal of 403412923 is 329214304.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 403412923 - 2⁹ = 403412411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 403412891 and 403412900.

It is not a weakly prime, because it can be changed into another prime (403412903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201706461 + 201706462.

It is an arithmetic number, because the mean of its divisors is an integer number (201706462).

Almost surely, 2^403412923 is an apocalyptic number.

403412923 is a deficient number, since it is larger than the sum of its proper divisors (1).

403412923 is an equidigital number, since it uses as much as digits as its factorization.

403412923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 403412923 is about 20085.1418466487. The cubic root of 403412923 is about 738.8959204922.

It can be divided in two parts, 40341 and 2923, that added together give a square (43264 = 208²).

The spelling of 403412923 in words is "four hundred three million, four hundred twelve thousand, nine hundred twenty-three".