406145513223 has 24 divisors (see below), whose sum is σ = 597948251472. Its totient is φ = 265555075968.

The previous prime is 406145513201. The next prime is 406145513227. The reversal of 406145513223 is 322315541604.

406145513223 is a `hidden beast` number, since 4 + 0 + 614 + 5 + 5 + 1 + 32 + 2 + 3 = 666.

It is not a de Polignac number, because 406145513223 - 2⁹ = 406145512711 is a prime.

It is a super-2 number, since 2×406145513223² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406145513227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1121115 + ... + 1438467.

It is an arithmetic number, because the mean of its divisors is an integer number (24914510478).

Almost surely, 2^406145513223 is an apocalyptic number.

406145513223 is a deficient number, since it is larger than the sum of its proper divisors (191802738249).

406145513223 is a wasteful number, since it uses less digits than its factorization.

406145513223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320095 (or 320092 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 406145513223 in words is "four hundred six billion, one hundred forty-five million, five hundred thirteen thousand, two hundred twenty-three".