70123311 has 12 divisors (see below), whose sum is σ = 101424960. Its totient is φ = 46686240.

The previous prime is 70123309. The next prime is 70123349. The reversal of 70123311 is 11332107.

It is not a de Polignac number, because 70123311 - 2¹ = 70123309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70123511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2466 + ... + 12096.

It is an arithmetic number, because the mean of its divisors is an integer number (8452080).

Almost surely, 2^70123311 is an apocalyptic number.

70123311 is a deficient number, since it is larger than the sum of its proper divisors (31301649).

70123311 is a wasteful number, since it uses less digits than its factorization.

70123311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10446 (or 10443 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 70123311 is about 8373.9662645607. The cubic root of 70123311 is about 412.3703879289.

Adding to 70123311 its reverse (11332107), we get a palindrome (81455418).

The spelling of 70123311 in words is "seventy million, one hundred twenty-three thousand, three hundred eleven".