1112820723 has 72 divisors (see below), whose sum is σ = 1911815568. Its totient is φ = 621831168.

The previous prime is 1112820721. The next prime is 1112820773. The reversal of 1112820723 is 3270282111.

It is not a de Polignac number, because 1112820723 - 2¹ = 1112820721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1112820721) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6827040 + ... + 6827202.

It is an arithmetic number, because the mean of its divisors is an integer number (26552994).

Almost surely, 2^1112820723 is an apocalyptic number.

1112820723 is a deficient number, since it is larger than the sum of its proper divisors (798994845).

1112820723 is a wasteful number, since it uses less digits than its factorization.

1112820723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433 (or 423 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 1112820723 is about 33358.9676548900. The cubic root of 1112820723 is about 1036.2751125953.

The spelling of 1112820723 in words is "one billion, one hundred twelve million, eight hundred twenty thousand, seven hundred twenty-three".