425720183023 has 4 divisors (see below), whose sum is σ = 425762024800. Its totient is φ = 425678341248.

The previous prime is 425720182981. The next prime is 425720183033. The reversal of 425720183023 is 320381027524.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425720183023 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 (425720183033) 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, 20905623 + ... + 20925976.

It is an arithmetic number, because the mean of its divisors is an integer number (106440506200).

Almost surely, 2^425720183023 is an apocalyptic number.

425720183023 is a deficient number, since it is larger than the sum of its proper divisors (41841777).

425720183023 is a wasteful number, since it uses less digits than its factorization.

425720183023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41841776.

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 425720183023 in words is "four hundred twenty-five billion, seven hundred twenty million, one hundred eighty-three thousand, twenty-three".