42523204 has 6 divisors (see below), whose sum is σ = 74415614. Its totient is φ = 21261600.

The previous prime is 42523181. The next prime is 42523211. The reversal of 42523204 is 40232524.

It can be written as a sum of positive squares in only one way, i.e., 40985604 + 1537600 = 6402^2 + 1240^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5315397 + ... + 5315404.

Almost surely, 2^42523204 is an apocalyptic number.

It is an amenable number.

42523204 is a deficient number, since it is larger than the sum of its proper divisors (31892410).

42523204 is a wasteful number, since it uses less digits than its factorization.

42523204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10630805 (or 10630803 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 42523204 is about 6520.9818279152. The cubic root of 42523204 is about 349.0401017950.

Adding to 42523204 its reverse (40232524), we get a palindrome (82755728).

The spelling of 42523204 in words is "forty-two million, five hundred twenty-three thousand, two hundred four".