408742507477423 has 4 divisors (see below), whose sum is σ = 467134294259920. Its totient is φ = 350350720694928.

The previous prime is 408742507477397. The next prime is 408742507477439. The reversal of 408742507477423 is 324774705247804.

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 408742507477423 - 2¹⁷ = 408742507346351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408742507471423) 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, 29195893391238 + ... + 29195893391251.

It is an arithmetic number, because the mean of its divisors is an integer number (116783573564980).

Almost surely, 2^{408742507477423} is an apocalyptic number.

408742507477423 is a deficient number, since it is larger than the sum of its proper divisors (58391786782497).

408742507477423 is an equidigital number, since it uses as much as digits as its factorization.

408742507477423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58391786782496.

The product of its (nonzero) digits is 295034880, while the sum is 64.

The spelling of 408742507477423 in words is "four hundred eight trillion, seven hundred forty-two billion, five hundred seven million, four hundred seventy-seven thousand, four hundred twenty-three".