1023148499 has 8 divisors (see below), whose sum is σ = 1099914240. Its totient is φ = 948674376.

The previous prime is 1023148487. The next prime is 1023148571. The reversal of 1023148499 is 9948413201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1023148499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1023148429) 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, 571979 + ... + 573764.

It is an arithmetic number, because the mean of its divisors is an integer number (137489280).

Almost surely, 2^1023148499 is an apocalyptic number.

1023148499 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1023148499 is a deficient number, since it is larger than the sum of its proper divisors (76765741).

1023148499 is a wasteful number, since it uses less digits than its factorization.

1023148499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145809.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 1023148499 is about 31986.6925298631. The cubic root of 1023148499 is about 1007.6573811820.

The spelling of 1023148499 in words is "one billion, twenty-three million, one hundred forty-eight thousand, four hundred ninety-nine".