393123212404123 has 4 divisors (see below), whose sum is σ = 393123977337600. Its totient is φ = 393122447470648.

The previous prime is 393123212404121. The next prime is 393123212404133. The reversal of 393123212404123 is 321404212321393.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 393123212404123 - 2¹ = 393123212404121 is a prime.

It is a super-4 number, since 4×393123212404123⁴ (a number of 59 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (393123212404121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381695323 + ... + 382723876.

It is an arithmetic number, because the mean of its divisors is an integer number (98280994334400).

Almost surely, 2^{393123212404123} is an apocalyptic number.

393123212404123 is a deficient number, since it is larger than the sum of its proper divisors (764933477).

393123212404123 is an equidigital number, since it uses as much as digits as its factorization.

393123212404123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764933476.

The product of its (nonzero) digits is 186624, while the sum is 40.

The spelling of 393123212404123 in words is "three hundred ninety-three trillion, one hundred twenty-three billion, two hundred twelve million, four hundred four thousand, one hundred twenty-three".