423646497453 has 8 divisors (see below), whose sum is σ = 564866805600. Its totient is φ = 282428593808.

The previous prime is 423646497433. The next prime is 423646497503. The reversal of 423646497453 is 354794646324.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 423646497453 - 2²¹ = 423644400301 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 423646497393 and 423646497402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423646497403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139338 + ... + 930971.

It is an arithmetic number, because the mean of its divisors is an integer number (70608350700).

Almost surely, 2^423646497453 is an apocalyptic number.

It is an amenable number.

423646497453 is a deficient number, since it is larger than the sum of its proper divisors (141220308147).

423646497453 is a wasteful number, since it uses less digits than its factorization.

423646497453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202251.

The product of its digits is 52254720, while the sum is 57.

The spelling of 423646497453 in words is "four hundred twenty-three billion, six hundred forty-six million, four hundred ninety-seven thousand, four hundred fifty-three".