11403423032 has 16 divisors (see below), whose sum is σ = 21682566000. Its totient is φ = 5621405440.

The previous prime is 11403423001. The next prime is 11403423107. The reversal of 11403423032 is 23032430411.

It is a junction number, because it is equal to n+sod(n) for n = 11403422989 and 11403423007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10037657 + ... + 10038792.

It is an arithmetic number, because the mean of its divisors is an integer number (1355160375).

Almost surely, 2^11403423032 is an apocalyptic number.

It is an amenable number.

11403423032 is a deficient number, since it is larger than the sum of its proper divisors (10279142968).

11403423032 is a wasteful number, since it uses less digits than its factorization.

11403423032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20076526 (or 20076522 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 11403423032 its reverse (23032430411), we get a palindrome (34435853443).

The spelling of 11403423032 in words is "eleven billion, four hundred three million, four hundred twenty-three thousand, thirty-two".