40313442123 has 16 divisors (see below), whose sum is σ = 59804029440. Its totient is φ = 26839442952.

The previous prime is 40313442083. The next prime is 40313442131. The reversal of 40313442123 is 32124431304.

40313442123 is a `hidden beast` number, since 403 + 1 + 3 + 44 + 212 + 3 = 666.

It is not a de Polignac number, because 40313442123 - 2⁸ = 40313441867 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (40313442193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 984711 + ... + 1024832.

It is an arithmetic number, because the mean of its divisors is an integer number (3737751840).

Almost surely, 2^40313442123 is an apocalyptic number.

40313442123 is a deficient number, since it is larger than the sum of its proper divisors (19490587317).

40313442123 is a wasteful number, since it uses less digits than its factorization.

40313442123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010295 (or 2010289 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 40313442123 its reverse (32124431304), we get a palindrome (72437873427).

The spelling of 40313442123 in words is "forty billion, three hundred thirteen million, four hundred forty-two thousand, one hundred twenty-three".