403123023403 has 8 divisors (see below), whose sum is σ = 412707006000. Its totient is φ = 393630753888.

The previous prime is 403123023353. The next prime is 403123023421. The reversal of 403123023403 is 304320321304.

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 403123023403 - 2²¹ = 403120926251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (403123023703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22919376 + ... + 22936957.

It is an arithmetic number, because the mean of its divisors is an integer number (51588375750).

Almost surely, 2^403123023403 is an apocalyptic number.

403123023403 is a deficient number, since it is larger than the sum of its proper divisors (9583982597).

403123023403 is a wasteful number, since it uses less digits than its factorization.

403123023403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45856541.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 403123023403 its reverse (304320321304), we get a palindrome (707443344707).

The spelling of 403123023403 in words is "four hundred three billion, one hundred twenty-three million, twenty-three thousand, four hundred three".