40203355040123 has 24 divisors (see below), whose sum is σ = 44647706847744. Its totient is φ = 36170783011440.

The previous prime is 40203355040083. The next prime is 40203355040179. The reversal of 40203355040123 is 32104055330204.

It is not a de Polignac number, because 40203355040123 - 2²⁶ = 40203287931259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40203355040123.

It is not an unprimeable number, because it can be changed into a prime (40203355046123) 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, 18710036 + ... + 20747822.

It is an arithmetic number, because the mean of its divisors is an integer number (1860321118656).

Almost surely, 2^{40203355040123} is an apocalyptic number.

40203355040123 is a deficient number, since it is larger than the sum of its proper divisors (4444351807621).

40203355040123 is a wasteful number, since it uses less digits than its factorization.

40203355040123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2039495 (or 2039484 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

The spelling of 40203355040123 in words is "forty trillion, two hundred three billion, three hundred fifty-five million, forty thousand, one hundred twenty-three".