103040023 has 4 divisors (see below), whose sum is σ = 107520048. Its totient is φ = 98560000.

The previous prime is 103039999. The next prime is 103040033. The reversal of 103040023 is 320040301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 103040023 - 2²¹ = 100942871 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103039985 and 103040012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103040033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2239978 + ... + 2240023.

It is an arithmetic number, because the mean of its divisors is an integer number (26880012).

Almost surely, 2^103040023 is an apocalyptic number.

103040023 is a deficient number, since it is larger than the sum of its proper divisors (4480025).

103040023 is an equidigital number, since it uses as much as digits as its factorization.

103040023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4480024.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 103040023 is about 10150.8631652683. The cubic root of 103040023 is about 468.8155220290.

Adding to 103040023 its reverse (320040301), we get a palindrome (423080324).

The spelling of 103040023 in words is "one hundred three million, forty thousand, twenty-three".