303213000123 has 18 divisors (see below), whose sum is σ = 481409806332. Its totient is φ = 183765453960.

The previous prime is 303213000037. The next prime is 303213000131. The reversal of 303213000123 is 321000312303.

303213000123 is a `hidden beast` number, since 30 + 321 + 300 + 0 + 12 + 3 = 666.

It is not a de Polignac number, because 303213000123 - 2¹⁸ = 303212737979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 303213000096 and 303213000105.

It is not an unprimeable number, because it can be changed into a prime (303213000133) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 139215165 + ... + 139217342.

Almost surely, 2^303213000123 is an apocalyptic number.

303213000123 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

303213000123 is a deficient number, since it is larger than the sum of its proper divisors (178196806209).

303213000123 is a wasteful number, since it uses less digits than its factorization.

303213000123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278432535 (or 278432521 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 303213000123 its reverse (321000312303), we get a palindrome (624213312426).

The spelling of 303213000123 in words is "three hundred three billion, two hundred thirteen million, one hundred twenty-three", and thus it is an aban number.