400145050342123 has 8 divisors (see below), whose sum is σ = 400189189190000. Its totient is φ = 400100913911808.

The previous prime is 400145050342117. The next prime is 400145050342127. The reversal of 400145050342123 is 321243050541004.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400145050342123 is a prime.

It is a super-2 number, since 2×400145050342123² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400145050342127) 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, 341011915 + ... + 342183307.

It is an arithmetic number, because the mean of its divisors is an integer number (50023648648750).

Almost surely, 2^{400145050342123} is an apocalyptic number.

400145050342123 is a deficient number, since it is larger than the sum of its proper divisors (44138847877).

400145050342123 is a wasteful number, since it uses less digits than its factorization.

400145050342123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208781.

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 400145050342123 in words is "four hundred trillion, one hundred forty-five billion, fifty million, three hundred forty-two thousand, one hundred twenty-three".