10423421140 has 96 divisors (see below), whose sum is σ = 25382294784. Its totient is φ = 3553474560.

The previous prime is 10423421131. The next prime is 10423421189. The reversal of 10423421140 is 4112432401.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 978322 + ... + 988918.

It is an arithmetic number, because the mean of its divisors is an integer number (264398904).

Almost surely, 2^10423421140 is an apocalyptic number.

10423421140 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 10423421140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12691147392).

10423421140 is an abundant number, since it is smaller than the sum of its proper divisors (14958873644).

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

10423421140 is a wasteful number, since it uses less digits than its factorization.

10423421140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10897 (or 10895 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 10423421140 its reverse (4112432401), we get a palindrome (14535853541).

The spelling of 10423421140 in words is "ten billion, four hundred twenty-three million, four hundred twenty-one thousand, one hundred forty".