1403213023320 has 64 divisors (see below), whose sum is σ = 4272469528320. Its totient is φ = 368605209984.

The previous prime is 1403213023319. The next prime is 1403213023343. The reversal of 1403213023320 is 233203123041.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87256452 + ... + 87272531.

It is an arithmetic number, because the mean of its divisors is an integer number (66757336380).

Almost surely, 2^{1403213023320} is an apocalyptic number.

1403213023320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1403213023320 is an abundant number, since it is smaller than the sum of its proper divisors (2869256505000).

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

1403213023320 is a wasteful number, since it uses less digits than its factorization.

1403213023320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174529064 (or 174529060 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 1403213023320 its reverse (233203123041), we get a palindrome (1636416146361).

The spelling of 1403213023320 in words is "one trillion, four hundred three billion, two hundred thirteen million, twenty-three thousand, three hundred twenty".