23439793029156 has 243 divisors, whose sum is σ = 72754657827579. Its totient is φ = 6343559875296.

The previous prime is 23439793029143. The next prime is 23439793029199. The reversal of 23439793029156 is 65192039793432.

The square root of 23439793029156 is 4841466.

It is a perfect power (a square), and thus also a powerful number.

23439793029156 is a `hidden beast` number, since 2 + 3 + 4 + 397 + 93 + 0 + 2 + 9 + 156 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 23439793029093 and 23439793029102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 3863486835 + ... + 3863492901.

Almost surely, 2^{23439793029156} is an apocalyptic number.

23439793029156 is the 4841466-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23439793029156

23439793029156 is an abundant number, since it is smaller than the sum of its proper divisors (49314864798423).

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

23439793029156 is an equidigital number, since it uses as much as digits as its factorization.

23439793029156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12196 (or 6098 counting only the distinct ones).

The product of its (nonzero) digits is 66134880, while the sum is 63.

The spelling of 23439793029156 in words is "twenty-three trillion, four hundred thirty-nine billion, seven hundred ninety-three million, twenty-nine thousand, one hundred fifty-six".