120143423400 has 1728 divisors, whose sum is σ = 552401519040. Its totient is φ = 21159936000.

The previous prime is 120143423377. The next prime is 120143423423. The reversal of 120143423400 is 4324341021.

It is an interprime number because it is at equal distance from previous prime (120143423377) and next prime (120143423423).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 431 ways as a sum of consecutive naturals, for example, 2930327380 + ... + 2930327420.

It is an arithmetic number, because the mean of its divisors is an integer number (319676805).

Almost surely, 2^120143423400 is an apocalyptic number.

120143423400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120143423400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276200759520).

120143423400 is an abundant number, since it is smaller than the sum of its proper divisors (432258095640).

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

120143423400 is a wasteful number, since it uses less digits than its factorization.

120143423400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 120143423400 its reverse (4324341021), we get a palindrome (124467764421).

The spelling of 120143423400 in words is "one hundred twenty billion, one hundred forty-three million, four hundred twenty-three thousand, four hundred".