2113232403 has 16 divisors (see below), whose sum is σ = 2839922336. Its totient is φ = 1397710080.

The previous prime is 2113232389. The next prime is 2113232417. The reversal of 2113232403 is 3042323112.

It is an interprime number because it is at equal distance from previous prime (2113232389) and next prime (2113232417).

It is not a de Polignac number, because 2113232403 - 2⁵ = 2113232371 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2113232403.

It is not an unprimeable number, because it can be changed into a prime (2113232423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 342183 + ... + 348303.

It is an arithmetic number, because the mean of its divisors is an integer number (177495146).

Almost surely, 2^2113232403 is an apocalyptic number.

2113232403 is a deficient number, since it is larger than the sum of its proper divisors (726689933).

2113232403 is a wasteful number, since it uses less digits than its factorization.

2113232403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7014.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 2113232403 is about 45969.9075809382. The cubic root of 2113232403 is about 1283.2632399715.

Adding to 2113232403 its reverse (3042323112), we get a palindrome (5155555515).

It can be divided in two parts, 21132 and 32403, that added together give a palindrome (53535).

The spelling of 2113232403 in words is "two billion, one hundred thirteen million, two hundred thirty-two thousand, four hundred three".