10640123 has 8 divisors (see below), whose sum is σ = 11493888. Its totient is φ = 9791424.

The previous prime is 10640107. The next prime is 10640143. The reversal of 10640123 is 32104601.

10640123 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10640123 - 2⁴ = 10640107 is a prime.

It is a super-2 number, since 2×10640123² = 226424434910258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10640143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3911 + ... + 6047.

It is an arithmetic number, because the mean of its divisors is an integer number (1436736).

Almost surely, 2^10640123 is an apocalyptic number.

10640123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10640123 is a deficient number, since it is larger than the sum of its proper divisors (853765).

10640123 is a wasteful number, since it uses less digits than its factorization.

10640123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2533.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 10640123 is about 3261.9201400402. The cubic root of 10640123 is about 219.9457373060.

Adding to 10640123 its reverse (32104601), we get a palindrome (42744724).

The spelling of 10640123 in words is "ten million, six hundred forty thousand, one hundred twenty-three".