1403023073 has 8 divisors (see below), whose sum is σ = 1486616328. Its totient is φ = 1319547904.

The previous prime is 1403023057. The next prime is 1403023109. The reversal of 1403023073 is 3703203041.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 383689744 + 1019333329 = 19588^2 + 31927^2 .

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 1403023073 - 2⁴ = 1403023057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1403023003) 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, 4436 + ... + 53157.

It is an arithmetic number, because the mean of its divisors is an integer number (185827041).

Almost surely, 2^1403023073 is an apocalyptic number.

It is an amenable number.

1403023073 is a deficient number, since it is larger than the sum of its proper divisors (83593255).

1403023073 is a wasteful number, since it uses less digits than its factorization.

1403023073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59043.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 1403023073 is about 37456.9495955023. The cubic root of 1403023073 is about 1119.4935723305.

The spelling of 1403023073 in words is "one billion, four hundred three million, twenty-three thousand, seventy-three".