42523401346 has 4 divisors (see below), whose sum is σ = 63785102022. Its totient is φ = 21261700672.

The previous prime is 42523401341. The next prime is 42523401359. The reversal of 42523401346 is 64310432524.

42523401346 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 42178890625 + 344510721 = 205375^2 + 18561^2 .

It is a super-2 number, since 2×42523401346² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42523401341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10630850335 + ... + 10630850338.

Almost surely, 2^42523401346 is an apocalyptic number.

42523401346 is a deficient number, since it is larger than the sum of its proper divisors (21261700676).

42523401346 is a wasteful number, since it uses less digits than its factorization.

42523401346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21261700675.

The product of its (nonzero) digits is 69120, while the sum is 34.

The spelling of 42523401346 in words is "forty-two billion, five hundred twenty-three million, four hundred one thousand, three hundred forty-six".