42402031323 has 16 divisors (see below), whose sum is σ = 57734899200. Its totient is φ = 27672602720.

The previous prime is 42402031307. The next prime is 42402031333. The reversal of 42402031323 is 32313020424.

It is a cyclic number.

It is not a de Polignac number, because 42402031323 - 2⁴ = 42402031307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42402031293 and 42402031302.

It is not an unprimeable number, because it can be changed into a prime (42402031333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 458868 + ... + 543473.

It is an arithmetic number, because the mean of its divisors is an integer number (3608431200).

Almost surely, 2^42402031323 is an apocalyptic number.

42402031323 is a deficient number, since it is larger than the sum of its proper divisors (15332867877).

42402031323 is a wasteful number, since it uses less digits than its factorization.

42402031323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002642.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 42402031323 its reverse (32313020424), we get a palindrome (74715051747).

The spelling of 42402031323 in words is "forty-two billion, four hundred two million, thirty-one thousand, three hundred twenty-three".