405691930023 has 8 divisors (see below), whose sum is σ = 545709499248. Its totient is φ = 268067823744.

The previous prime is 405691930003. The next prime is 405691930031. The reversal of 405691930023 is 320039196504.

It is a happy number.

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

It is not a de Polignac number, because 405691930023 - 2⁵ = 405691929991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405691930003) 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, 598365340 + ... + 598366017.

It is an arithmetic number, because the mean of its divisors is an integer number (68213687406).

Almost surely, 2^405691930023 is an apocalyptic number.

405691930023 is a deficient number, since it is larger than the sum of its proper divisors (140017569225).

405691930023 is a wasteful number, since it uses less digits than its factorization.

405691930023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1196731473.

The product of its (nonzero) digits is 174960, while the sum is 42.

The spelling of 405691930023 in words is "four hundred five billion, six hundred ninety-one million, nine hundred thirty thousand, twenty-three".