9942370423 has 4 divisors (see below), whose sum is σ = 10527215760. Its totient is φ = 9357525088.

The previous prime is 9942370397. The next prime is 9942370453. The reversal of 9942370423 is 3240732499.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3240732499 = 23 ⋅140901413.

It is a cyclic number.

It is not a de Polignac number, because 9942370423 - 2⁵ = 9942370391 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 9942370423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9942370453) 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, 292422643 + ... + 292422676.

It is an arithmetic number, because the mean of its divisors is an integer number (2631803940).

Almost surely, 2^9942370423 is an apocalyptic number.

9942370423 is a deficient number, since it is larger than the sum of its proper divisors (584845337).

9942370423 is a wasteful number, since it uses less digits than its factorization.

9942370423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584845336.

The product of its (nonzero) digits is 326592, while the sum is 43.

The square root of 9942370423 is about 99711.4357684213. The cubic root of 9942370423 is about 2150.2880755512.

The spelling of 9942370423 in words is "nine billion, nine hundred forty-two million, three hundred seventy thousand, four hundred twenty-three".