423410311493 has 4 divisors (see below), whose sum is σ = 455980335468. Its totient is φ = 390840287520.

The previous prime is 423410311439. The next prime is 423410311561. The reversal of 423410311493 is 394113014324.

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

It can be written as a sum of positive squares in 2 ways, for example, as 227721748804 + 195688562689 = 477202^2 + 442367^2 .

It is a cyclic number.

It is not a de Polignac number, because 423410311493 - 2²⁸ = 423141876037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423410311193) 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, 16285011968 + ... + 16285011993.

It is an arithmetic number, because the mean of its divisors is an integer number (113995083867).

Almost surely, 2^423410311493 is an apocalyptic number.

It is an amenable number.

423410311493 is a deficient number, since it is larger than the sum of its proper divisors (32570023975).

423410311493 is a wasteful number, since it uses less digits than its factorization.

423410311493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32570023974.

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 423410311493 in words is "four hundred twenty-three billion, four hundred ten million, three hundred eleven thousand, four hundred ninety-three".