403739340123 has 16 divisors (see below), whose sum is σ = 617908417280. Its totient is φ = 229700732256.

The previous prime is 403739340083. The next prime is 403739340181. The reversal of 403739340123 is 321043937304.

It is a happy number.

It is not a de Polignac number, because 403739340123 - 2¹⁷ = 403739209051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (403739340023) 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, 41972665 + ... + 41982282.

It is an arithmetic number, because the mean of its divisors is an integer number (38619276080).

Almost surely, 2^403739340123 is an apocalyptic number.

403739340123 is a deficient number, since it is larger than the sum of its proper divisors (214169077157).

403739340123 is a wasteful number, since it uses less digits than its factorization.

403739340123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83955186.

The product of its (nonzero) digits is 163296, while the sum is 39.

The spelling of 403739340123 in words is "four hundred three billion, seven hundred thirty-nine million, three hundred forty thousand, one hundred twenty-three".