42700723 has 6 divisors (see below), whose sum is σ = 46238244. Its totient is φ = 39415896.

The previous prime is 42700717. The next prime is 42700727. The reversal of 42700723 is 32700724.

It is a de Polignac number, because none of the positive numbers 2^k-42700723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42700727) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 126165 + ... + 126502.

It is an arithmetic number, because the mean of its divisors is an integer number (7706374).

Almost surely, 2^42700723 is an apocalyptic number.

42700723 is a deficient number, since it is larger than the sum of its proper divisors (3537521).

42700723 is a wasteful number, since it uses less digits than its factorization.

42700723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252693 (or 252680 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 25.

The square root of 42700723 is about 6534.5790224008. The cubic root of 42700723 is about 349.5251328799.

Subtracting from 42700723 its reverse (32700724), we obtain a palindrome (9999999).

The spelling of 42700723 in words is "forty-two million, seven hundred thousand, seven hundred twenty-three".