6348990123 has 36 divisors (see below), whose sum is σ = 11012184768. Its totient is φ = 3510954720.

The previous prime is 6348990103. The next prime is 6348990139. The reversal of 6348990123 is 3210998436.

It is a happy number.

6348990123 is a `hidden beast` number, since 63 + 489 + 90 + 1 + 23 = 666.

It is not a de Polignac number, because 6348990123 - 2¹² = 6348986027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6348990103) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 218536 + ... + 245877.

Almost surely, 2^6348990123 is an apocalyptic number.

6348990123 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

6348990123 is a deficient number, since it is larger than the sum of its proper divisors (4663194645).

6348990123 is a wasteful number, since it uses less digits than its factorization.

6348990123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464464 (or 464454 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 6348990123 is about 79680.5504687311. The cubic root of 6348990123 is about 1851.6897269970.

The spelling of 6348990123 in words is "six billion, three hundred forty-eight million, nine hundred ninety thousand, one hundred twenty-three".