103123011 has 8 divisors (see below), whose sum is σ = 137906704. Its totient is φ = 68544000.

The previous prime is 103122997. The next prime is 103123039. The reversal of 103123011 is 110321301.

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

It is not a de Polignac number, because 103123011 - 2⁶ = 103122947 is a prime.

It is a super-2 number, since 2×103123011² = 21268710795412242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103123061) 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, 49990 + ... + 52011.

It is an arithmetic number, because the mean of its divisors is an integer number (17238338).

Almost surely, 2^103123011 is an apocalyptic number.

103123011 is a deficient number, since it is larger than the sum of its proper divisors (34783693).

103123011 is a wasteful number, since it uses less digits than its factorization.

103123011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102341.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 103123011 is about 10154.9500737325. The cubic root of 103123011 is about 468.9413489364.

Adding to 103123011 its reverse (110321301), we get a palindrome (213444312).

It can be divided in two parts, 1031 and 23011, that added together give a palindrome (24042).

The spelling of 103123011 in words is "one hundred three million, one hundred twenty-three thousand, eleven".