123402240230 has 8 divisors (see below), whose sum is σ = 222124032432. Its totient is φ = 49360896088.

The previous prime is 123402240211. The next prime is 123402240233. The reversal of 123402240230 is 32042204321.

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

It is a super-2 number, since 2×123402240230² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123402240196 and 123402240205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123402240233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6170112002 + ... + 6170112021.

It is an arithmetic number, because the mean of its divisors is an integer number (27765504054).

Almost surely, 2^123402240230 is an apocalyptic number.

123402240230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123402240230 is a deficient number, since it is larger than the sum of its proper divisors (98721792202).

123402240230 is a wasteful number, since it uses less digits than its factorization.

123402240230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12340224030.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 123402240230 its reverse (32042204321), we get a palindrome (155444444551).

The spelling of 123402240230 in words is "one hundred twenty-three billion, four hundred two million, two hundred forty thousand, two hundred thirty".