1010002123 has 8 divisors (see below), whose sum is σ = 1101464000. Its totient is φ = 920507328.

The previous prime is 1010002117. The next prime is 1010002177. The reversal of 1010002123 is 3212000101.

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

It is not a de Polignac number, because 1010002123 - 2⁹ = 1010001611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1010002423) 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, 490698 + ... + 492751.

It is an arithmetic number, because the mean of its divisors is an integer number (137683000).

Almost surely, 2^1010002123 is an apocalyptic number.

1010002123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1010002123 is a deficient number, since it is larger than the sum of its proper divisors (91461877).

1010002123 is an equidigital number, since it uses as much as digits as its factorization.

1010002123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983541.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1010002123 is about 31780.5305651117. The cubic root of 1010002123 is about 1003.3229865295.

Adding to 1010002123 its reverse (3212000101), we get a palindrome (4222002224).

The spelling of 1010002123 in words is "one billion, ten million, two thousand, one hundred twenty-three".