10723138 has 4 divisors (see below), whose sum is σ = 16084710. Its totient is φ = 5361568.

The previous prime is 10723133. The next prime is 10723157. The reversal of 10723138 is 83132701.

10723138 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, and also an emirpimes, since its reverse is a distinct semiprime: 83132701 = 587 ⋅141623.

It can be written as a sum of positive squares in only one way, i.e., 10712529 + 10609 = 3273^2 + 103^2 .

It is a super-2 number, since 2×10723138² = 229971377134088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10723133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2680783 + ... + 2680786.

Almost surely, 2^10723138 is an apocalyptic number.

10723138 is a deficient number, since it is larger than the sum of its proper divisors (5361572).

10723138 is an equidigital number, since it uses as much as digits as its factorization.

10723138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5361571.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 10723138 is about 3274.6202833306. The cubic root of 10723138 is about 220.5162668844.

Adding to 10723138 its reverse (83132701), we get a palindrome (93855839).

The spelling of 10723138 in words is "ten million, seven hundred twenty-three thousand, one hundred thirty-eight".