70523310312 has 768 divisors, whose sum is σ = 254861967360. Its totient is φ = 17777055744.

The previous prime is 70523310311. The next prime is 70523310317. The reversal of 70523310312 is 21301332507.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (70523310311) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 555301593 + ... + 555301719.

It is an arithmetic number, because the mean of its divisors is an integer number (331851520).

Almost surely, 2^70523310312 is an apocalyptic number.

70523310312 is a gapful number since it is divisible by the number (72) 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 70523310312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127430983680).

70523310312 is an abundant number, since it is smaller than the sum of its proper divisors (184338657048).

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

70523310312 is a wasteful number, since it uses less digits than its factorization.

70523310312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

Adding to 70523310312 its reverse (21301332507), we get a palindrome (91824642819).

The spelling of 70523310312 in words is "seventy billion, five hundred twenty-three million, three hundred ten thousand, three hundred twelve".