42746822623 has 4 divisors (see below), whose sum is σ = 43033714200. Its totient is φ = 42459931048.

The previous prime is 42746822617. The next prime is 42746822639. The reversal of 42746822623 is 32622864724.

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 42746822623 - 2¹³ = 42746814431 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 (42746822123) 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, 143445565 + ... + 143445862.

It is an arithmetic number, because the mean of its divisors is an integer number (10758428550).

Almost surely, 2^42746822623 is an apocalyptic number.

42746822623 is a deficient number, since it is larger than the sum of its proper divisors (286891577).

42746822623 is a wasteful number, since it uses less digits than its factorization.

42746822623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286891576.

The product of its digits is 1548288, while the sum is 46.

The spelling of 42746822623 in words is "forty-two billion, seven hundred forty-six million, eight hundred twenty-two thousand, six hundred twenty-three".