51432023000 has 32 divisors (see below), whose sum is σ = 120350936160. Its totient is φ = 20572808800.

The previous prime is 51432022991. The next prime is 51432023003. The reversal of 51432023000 is 32023415.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51432023003) 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, 25715012 + ... + 25717011.

It is an arithmetic number, because the mean of its divisors is an integer number (3760966755).

Almost surely, 2^51432023000 is an apocalyptic number.

51432023000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51432023000 is an abundant number, since it is smaller than the sum of its proper divisors (68918913160).

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

51432023000 is a wasteful number, since it uses less digits than its factorization.

51432023000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51432044 (or 51432030 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 51432023000 its reverse (32023415), we get a palindrome (51464046415).

The spelling of 51432023000 in words is "fifty-one billion, four hundred thirty-two million, twenty-three thousand".