30342400123 has 8 divisors (see below), whose sum is σ = 34733054720. Its totient is φ = 25965752040.

The previous prime is 30342400117. The next prime is 30342400129. The reversal of 30342400123 is 32100424303.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30342400117) and next prime (30342400129).

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

It is a cyclic number.

It is not a de Polignac number, because 30342400123 - 2¹³ = 30342391931 is a prime.

It is a super-2 number, since 2×30342400123² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30342400094 and 30342400103.

It is not an unprimeable number, because it can be changed into a prime (30342400129) 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, 3496983 + ... + 3505648.

It is an arithmetic number, because the mean of its divisors is an integer number (4341631840).

Almost surely, 2^30342400123 is an apocalyptic number.

30342400123 is a deficient number, since it is larger than the sum of its proper divisors (4390654597).

30342400123 is an equidigital number, since it uses as much as digits as its factorization.

30342400123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7003257.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 30342400123 its reverse (32100424303), we get a palindrome (62442824426).

The spelling of 30342400123 in words is "thirty billion, three hundred forty-two million, four hundred thousand, one hundred twenty-three".