423425989051 has 4 divisors (see below), whose sum is σ = 455997218992. Its totient is φ = 390854759112.

The previous prime is 423425989037. The next prime is 423425989069. The reversal of 423425989051 is 150989524324.

It is a happy number.

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 423425989051 - 2¹⁷ = 423425857979 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 423425989051.

It is not an unprimeable number, because it can be changed into a prime (423425989451) 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, 16285614951 + ... + 16285614976.

It is an arithmetic number, because the mean of its divisors is an integer number (113999304748).

Almost surely, 2^423425989051 is an apocalyptic number.

423425989051 is a deficient number, since it is larger than the sum of its proper divisors (32571229941).

423425989051 is a wasteful number, since it uses less digits than its factorization.

423425989051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32571229940.

The product of its (nonzero) digits is 3110400, while the sum is 52.

The spelling of 423425989051 in words is "four hundred twenty-three billion, four hundred twenty-five million, nine hundred eighty-nine thousand, fifty-one".