123403001422 has 4 divisors (see below), whose sum is σ = 185104502136. Its totient is φ = 61701500710.

The previous prime is 123403001417. The next prime is 123403001429. The reversal of 123403001422 is 224100304321.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 123403001393 and 123403001402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123403001429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30850750354 + ... + 30850750357.

It is an arithmetic number, because the mean of its divisors is an integer number (46276125534).

Almost surely, 2^123403001422 is an apocalyptic number.

123403001422 is a deficient number, since it is larger than the sum of its proper divisors (61701500714).

123403001422 is an equidigital number, since it uses as much as digits as its factorization.

123403001422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61701500713.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 123403001422 its reverse (224100304321), we get a palindrome (347503305743).

The spelling of 123403001422 in words is "one hundred twenty-three billion, four hundred three million, one thousand, four hundred twenty-two".