51233432132 has 24 divisors (see below), whose sum is σ = 94744638240. Its totient is φ = 24174028800.

The previous prime is 51233432123. The next prime is 51233432137. The reversal of 51233432132 is 23123433215.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 51233432095 and 51233432104.

It is not an unprimeable number, because it can be changed into a prime (51233432137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1291994 + ... + 1331057.

It is an arithmetic number, because the mean of its divisors is an integer number (3947693260).

Almost surely, 2^51233432132 is an apocalyptic number.

It is an amenable number.

51233432132 is a deficient number, since it is larger than the sum of its proper divisors (43511206108).

51233432132 is a wasteful number, since it uses less digits than its factorization.

51233432132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2623331 (or 2623329 counting only the distinct ones).

The product of its digits is 12960, while the sum is 29.

Adding to 51233432132 its reverse (23123433215), we get a palindrome (74356865347).

The spelling of 51233432132 in words is "fifty-one billion, two hundred thirty-three million, four hundred thirty-two thousand, one hundred thirty-two".