405351023 has 8 divisors (see below), whose sum is σ = 505372800. Its totient is φ = 315857880.

The previous prime is 405351013. The next prime is 405351029. The reversal of 405351023 is 320153504.

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

It is a cyclic number.

It is not a de Polignac number, because 405351023 - 2¹² = 405346927 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 405351023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405351029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2632073 + ... + 2632226.

It is an arithmetic number, because the mean of its divisors is an integer number (63171600).

Almost surely, 2^405351023 is an apocalyptic number.

405351023 is a deficient number, since it is larger than the sum of its proper divisors (100021777).

405351023 is a wasteful number, since it uses less digits than its factorization.

405351023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5264317.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 405351023 is about 20133.3311451434. The cubic root of 405351023 is about 740.0773129595.

The spelling of 405351023 in words is "four hundred five million, three hundred fifty-one thousand, twenty-three".