2132400423 has 16 divisors (see below), whose sum is σ = 3020150016. Its totient is φ = 1333664640.

The previous prime is 2132400409. The next prime is 2132400427. The reversal of 2132400423 is 3240042312.

It is not a de Polignac number, because 2132400423 - 2⁸ = 2132400167 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2132400423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2132400427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51361 + ... + 83082.

It is an arithmetic number, because the mean of its divisors is an integer number (188759376).

Almost surely, 2^2132400423 is an apocalyptic number.

2132400423 is a deficient number, since it is larger than the sum of its proper divisors (887749593).

2132400423 is a wasteful number, since it uses less digits than its factorization.

2132400423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134774.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2132400423 is about 46177.9213802440. The cubic root of 2132400423 is about 1287.1315031512.

Adding to 2132400423 its reverse (3240042312), we get a palindrome (5372442735).

The spelling of 2132400423 in words is "two billion, one hundred thirty-two million, four hundred thousand, four hundred twenty-three".