42923332431 has 32 divisors (see below), whose sum is σ = 73906214400. Its totient is φ = 24111889920.

The previous prime is 42923332429. The next prime is 42923332447. The reversal of 42923332431 is 13423332924.

42923332431 is a `hidden beast` number, since 4 + 292 + 3 + 332 + 4 + 31 = 666.

It is not a de Polignac number, because 42923332431 - 2¹ = 42923332429 is a prime.

It is a super-2 number, since 2×42923332431² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42923332931) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1913490 + ... + 1935791.

It is an arithmetic number, because the mean of its divisors is an integer number (2309569200).

Almost surely, 2^42923332431 is an apocalyptic number.

42923332431 is a deficient number, since it is larger than the sum of its proper divisors (30982881969).

42923332431 is a wasteful number, since it uses less digits than its factorization.

42923332431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3849356 (or 3849350 counting only the distinct ones).

The product of its digits is 93312, while the sum is 36.

The spelling of 42923332431 in words is "forty-two billion, nine hundred twenty-three million, three hundred thirty-two thousand, four hundred thirty-one".