1403123664 has 20 divisors (see below), whose sum is σ = 3624736256. Its totient is φ = 467707872.

The previous prime is 1403123651. The next prime is 1403123677. The reversal of 1403123664 is 4663213041.

It is an interprime number because it is at equal distance from previous prime (1403123651) and next prime (1403123677).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14615824 + ... + 14615919.

Almost surely, 2^1403123664 is an apocalyptic number.

It is an amenable number.

1403123664 is an abundant number, since it is smaller than the sum of its proper divisors (2221612592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1403123664 is a wasteful number, since it uses less digits than its factorization.

1403123664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29231754 (or 29231748 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 1403123664 is about 37458.2923262660. The cubic root of 1403123664 is about 1119.5203260570.

The spelling of 1403123664 in words is "one billion, four hundred three million, one hundred twenty-three thousand, six hundred sixty-four".