10923138 has 54 divisors (see below), whose sum is σ = 25602057. Its totient is φ = 3365280.

The previous prime is 10923131. The next prime is 10923139. The reversal of 10923138 is 83132901.

It can be written as a sum of positive squares in 2 ways, for example, as 7800849 + 3122289 = 2793^2 + 1767^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=2337.

It is not an unprimeable number, because it can be changed into a prime (10923131) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 266398 + ... + 266438.

Almost surely, 2^10923138 is an apocalyptic number.

10923138 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10923138

10923138 is an abundant number, since it is smaller than the sum of its proper divisors (14678919).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10923138 is a wasteful number, since it uses less digits than its factorization.

10923138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 65 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 10923138 is about 3305.0170952659. The cubic root of 10923138 is about 221.8787991944.

The spelling of 10923138 in words is "ten million, nine hundred twenty-three thousand, one hundred thirty-eight".