10423156530 has 64 divisors (see below), whose sum is σ = 26060227200. Its totient is φ = 2665735680.

The previous prime is 10423156519. The next prime is 10423156547. The reversal of 10423156530 is 3565132401.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 756 + ... + 144384.

It is an arithmetic number, because the mean of its divisors is an integer number (407191050).

Almost surely, 2^10423156530 is an apocalyptic number.

10423156530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10423156530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13030113600).

10423156530 is an abundant number, since it is smaller than the sum of its proper divisors (15637070670).

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

10423156530 is a wasteful number, since it uses less digits than its factorization.

10423156530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143739.

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 10423156530 its reverse (3565132401), we get a palindrome (13988288931).

The spelling of 10423156530 in words is "ten billion, four hundred twenty-three million, one hundred fifty-six thousand, five hundred thirty".