1148423712 has 48 divisors (see below), whose sum is σ = 3191946912. Its totient is φ = 360289280.

The previous prime is 1148423701. The next prime is 1148423713. The reversal of 1148423712 is 2173248411.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (1148423713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350214 + ... + 353477.

It is an arithmetic number, because the mean of its divisors is an integer number (66498894).

Almost surely, 2^1148423712 is an apocalyptic number.

1148423712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1148423712 is an abundant number, since it is smaller than the sum of its proper divisors (2043523200).

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

1148423712 is a wasteful number, since it uses less digits than its factorization.

1148423712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703721 (or 703713 counting only the distinct ones).

The product of its digits is 10752, while the sum is 33.

The square root of 1148423712 is about 33888.4008474876. The cubic root of 1148423712 is about 1047.2106501022.

The spelling of 1148423712 in words is "one billion, one hundred forty-eight million, four hundred twenty-three thousand, seven hundred twelve".