1112023457 has 2 divisors, whose sum is σ = 1112023458. Its totient is φ = 1112023456.

The previous prime is 1112023453. The next prime is 1112023477. The reversal of 1112023457 is 7543202111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1110822241 + 1201216 = 33329^2 + 1096^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112023457 - 2² = 1112023453 is a prime.

It is not a weakly prime, because it can be changed into another prime (1112023453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556011728 + 556011729.

It is an arithmetic number, because the mean of its divisors is an integer number (556011729).

Almost surely, 2^1112023457 is an apocalyptic number.

It is an amenable number.

1112023457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112023457 is an equidigital number, since it uses as much as digits as its factorization.

1112023457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 1112023457 is about 33347.0157135537. The cubic root of 1112023457 is about 1036.0275781754.

Adding to 1112023457 its reverse (7543202111), we get a palindrome (8655225568).

The spelling of 1112023457 in words is "one billion, one hundred twelve million, twenty-three thousand, four hundred fifty-seven".