122345623450 has 12 divisors (see below), whose sum is σ = 227562859710. Its totient is φ = 48938249360.

The previous prime is 122345623447. The next prime is 122345623457. The reversal of 122345623450 is 54326543221.

It can be written as a sum of positive squares in 3 ways, for example, as 100281788929 + 22063834521 = 316673^2 + 148539^2 .

It is not an unprimeable number, because it can be changed into a prime (122345623457) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1223456185 + ... + 1223456284.

Almost surely, 2^122345623450 is an apocalyptic number.

122345623450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122345623450 is a deficient number, since it is larger than the sum of its proper divisors (105217236260).

122345623450 is a wasteful number, since it uses less digits than its factorization.

122345623450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2446912481 (or 2446912476 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

The spelling of 122345623450 in words is "one hundred twenty-two billion, three hundred forty-five million, six hundred twenty-three thousand, four hundred fifty".