405923113 has 8 divisors (see below), whose sum is σ = 424201536. Its totient is φ = 387697200.

The previous prime is 405923099. The next prime is 405923123. The reversal of 405923113 is 311329504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 405923113 - 2¹³ = 405914921 is a prime.

It is a super-2 number, since 2×405923113² = 329547147335221538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (405923123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3123 + ... + 28663.

It is an arithmetic number, because the mean of its divisors is an integer number (53025192).

Almost surely, 2^405923113 is an apocalyptic number.

It is an amenable number.

405923113 is a deficient number, since it is larger than the sum of its proper divisors (18278423).

405923113 is a wasteful number, since it uses less digits than its factorization.

405923113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26255.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 405923113 is about 20147.5336704024. The cubic root of 405923113 is about 740.4253173463.

It can be divided in two parts, 4059 and 23113, that added together give a palindrome (27172).

The spelling of 405923113 in words is "four hundred five million, nine hundred twenty-three thousand, one hundred thirteen".