405761023 has 2 divisors, whose sum is σ = 405761024. Its totient is φ = 405761022.

The previous prime is 405761003. The next prime is 405761039. The reversal of 405761023 is 320167504.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 405761023 - 2¹⁷ = 405629951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 405760982 and 405761000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (405761003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202880511 + 202880512.

It is an arithmetic number, because the mean of its divisors is an integer number (202880512).

Almost surely, 2^405761023 is an apocalyptic number.

405761023 is a deficient number, since it is larger than the sum of its proper divisors (1).

405761023 is an equidigital number, since it uses as much as digits as its factorization.

405761023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 405761023 is about 20143.5106920318. The cubic root of 405761023 is about 740.3267506359.

The spelling of 405761023 in words is "four hundred five million, seven hundred sixty-one thousand, twenty-three".